Hi Jay, physics major here. First of all, thank you for actually conducting the experiment. I don't doubt your results, but I have to correct you on your explanation. You seemed to be suggesting that there's a fundamental law of thermodynamics that implies loop order shouldn't matter. There isn't. In fact, the basic argument in favor of loop order mattering makes sense, though it depends on several parameters whose effects are hard to quantify. It is absolutely true that as the coolant fluid passes through a component which introduces heat into the loop, the fluid will get warmer and be less effective at cooling the next component it comes into contact with (and the opposite is true for fluid that passes through a component which extracts heat). The only question here is the effect size. That is to say, "will the difference actually be noticeable?" As you've shown here, the difference isn't noticeable, but it's not due to the laws of thermodynamics. It's due to the fact that the coolant fluid is passing through components quickly enough that the exchange of heat doesn't cause the temperature of the fluid at any specific location to deviate much from the average coolant temperature (though it does still deviate by some small amount). If the coolant were to be pumped through the tubes slowly enough that the exchange of heat resulted in a sizable change in coolant temperature, the difference in loop order would be noticeable. Bottom line is that the combination of fluid dynamics and thermodynamics required to fully understand cooling solutions is not at all trivial, even for people who understand physics, let alone armchair physicists who try to make proclamations without actually doing experiments. The fact that you actually did the experiment is more helpful toward answering this question than my physics degree.
Former Rocket Scientist (really) here. Excellent response, Jon. We could design cooling systems that were more effective, more efficient and far more expensive, but what is available today is probably already past the cost-benefit points an average person would consider acceptable. Jay's point is, I think, that in common usage today, it does not matter. And on that point, he is correct.
it's fantastic to see youtube users replying to this video with well-reflected arguments, and then continuing onwards to have a well-thought-through debate that serves to enlighten curious minds. i say, this is an amazing corner of the internet!
yes. this. the logic was okay, we tend to think that the liquid stayed on the block to absorb / transfer heat for a while before going somewhere else. it's like when you put water in a kettle, the water will heat up, then you put the warm water into another kettle, the kettle will warm up instead. however, in a pc the water just kept on flowing, it only matters if you check the temp on .001 accuracy or something.
Except Jay did say all that, without going into a bunch of physics. At one point he exactly said the rise in temperature accross components isn't enough to matter. So while you went into this long ramble to correct someone who wasn't wrong in the first place....
That's me currently, it's definitely not sad, currently I don't even know what kind of tubes to use even though my blocks and reservoirs are ready and epic. Every thing should be ready in like 2 weeks from today I hope.
The Firehawk EVERYTHING is ultimately air cooled seeing as eventually part of the system reaches air... however most of your heat is CONVEYED to the surface by liquid. So you are essentially liquid cooled to a liquid to air radiator. You're having a bad day if your heart becomes air cooled...
@RectalDiscourse Nahh man, I have the same PSU, and I can physically SEE the fan. The fan almost never spins up at all, it sits idle unless the system is under very heavy load.
But it’s good to have a powerful PSU! I run a Seasonic Prime platinum 1200 and it is platinum efficiency at 50% load. And I am usually drawing 600-700 watts of power while gaming with my single 2080Ti at 2,130 and 7980XE at 4.8.
Love your content, Jay. What I really like is that it is always helpful & informational (instead of just trying to be funny, showboating, etc.). Over time yours has become my favorite tech/hardware channel. Specifically, your videos were super helpful as I was getting started with water cooling. Thanks for all you do!
I appreciate this a lot. I'm slowly expanding my loop and I'm wanting to add the GPU block without adding a second radiator temporarily. It will only be a couple of weeks and I don't really game or do any major overclocking anyway. My loop is purely for aesthetics. I just get the bonus of lower temps.
This was a great video. Being a car mechanic myself I've always wondered how a water cooling loop on a computer would be different compare to a car. I know the temperatures on a car are more extreme, but the same concept still applies. Great video here!
Still one of my favorite videos, and I share it with friends whenever they ask me questions about how to determine loop order or how I determined my loop order lol.
To be honest, I'd love to have the differences in running parallel vs serial(like when you have more then one graphics card) explained/tested and why you might go with one over the other.
Thanks for this, my take away lesson is to strategize tube trajectory to avoid bends as much as possible whether it be from CPU to GPU or vice versa.. Removes a little stress!
And to make the overall length of tubing as little as possible. Although in general most liquid cooling systems are rather overkill, limiting bends and tubing increases laminar flow and reduces wall friction. Water is an amazing energy absorber so won't reduce heat to any noticeable degree but takes substantial load of the pump increasing service life and saves a little power.
Thanks for this, I’ve never even thought about this but I’m new to the pc building community and it’s nice to pick up the right knowledge and useful tips straight away
I kno guys but alot of people are complainin about him postin car vids .... its his channel and he even said he has 2 hobbies cars and computers .... so let him post whatever he wants
To clarify, I have no problem with Jay's car videos. I think they're great, but some or the videos he's posted over the past 6 months have been useless, like the beer loop. I get it, people requested it, but Jay is so much better than those low brow videos that don't teach us anything.
Thanks very much for this video. I plan on doing a custom loop for myself here soon and I honestly thought that loop order mattered a lot. Now I know it obviously doesn't so thank you very much for the extremely helpful video.
Thanks for the vid Jay! Can you do a video on whether running a loop in parallel is no worse than in serial as long as flow is ok? So I have something to send people when the say my loop sucks.
I have run multiple loops in different configurations. Bottom line, it does matter, but not the way you think. No matter what order I ran, CPU temp never varied more then +/-4 degrees Celsius. What DOES matter is running the cooled water into your pump first! This is the main source of cooling for your pump. This can GREATLY extend pump life. I have seen pumps fail in less than 6 months because of this.
If Vue fucked up your loop, that's on YOU. Not him. He said many times that Vue is a work in progress, and you REALLY need to clean your loop with a blitz kit before using it. He never said it was perfect. Blaming someone else because you're a knob isn't his fault. Fuckin' noobs, always needing their hand held.
Then you're the exception. :-) It makes sense, but this is one of those things that noob water coolers always seem to question, before doing the research.
Bartacus this video is straight misinformation. And Jay even dares to mention Thermodynamics... Testing here is extremely flawed as it's pretty obvious that radiator out will be cooler than intake, otherwise if the radiator wasn't doing anything there, might as well take it out altogether. What happens here is that you have extremely overkill parts (pump, rad, fans, blocks) for relatively little heat, that's why you don't see a difference. If you had a smaller rad or an SLI configuration, you would see together with higher component temperature, radiator out would also be much cooler than intake and loop order would be a factor
This - as he probably forgot, starting with Vista, the UI of Windows is rendered on the GPU, and culling does not take place (AFAIK) for windows overlapping or being totally obscured. Not sure on minimizing, but maybe (I have seen evidence of a GPU temp drop by about 1 degree or so by minimizing my browser, but that might be because most browsers have extra GPU use that, say, Office doesn't have (or maybe at this point it also does lol).
Adding a radiator will of course improve performance. You're increasing the amount of surface area which the fans are moving air through and thus extracting more heat from the loop. But if you use, say 2 120mm radiators instead of 1 240, the overall amount of heat removed from the system by the radiators remains the same, and temperatures will stay the same. This is because the entire system's heat removal capacity remains the same. You have to add heat removal capacity in the form of more radiator surface area in order to remove more heat from the loop.
@@ashesofempires04 If you were to add multiple radiators where water returning from each component it cools is brought back down to ambient temp, would it not make it so that each component is running cooler since each component receives water which is at ambient temp instead of water which was just moved through a hot component?
The fluids move at such a high rate of speed the entire loop reaches a equilibrium. Loop order doesn't matter. Size of radiator and fanspeed will make the biggest difference. In my loop I have two 560mm radiators. Fans on vs off in my loop makes a 25c difference.
@@corybolton7462 Just an overkill setup with 1080 ti SLI and a delidded 8700k. Once the RTX 3090 releases I'm switching to a small form factor build. Either an ncase m1 or sidearm t1. www.overclockers.com/forums/showthread.php/788563-Thermaltake-Tower-900-Build-Log
"Equilibrium: a state in which opposing forces or influences are balanced." "Entropy: a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system." Humm
Thanks for the info. Doing a AMD 50th Anniversary Build with dual Radiators and was concerned about the order of the loop using the EKWB for the Anniversary Edition 5700XT and a R9 3900. Your the best Jay. BTW, I love 15 mins away from PPCS! They are the best!
Awesome video about loop order! You should do another on which way inlet and outlet ports on water blocks. Some say that for impingement style blocks it really matters which way it goes. I tested it both ways it doesn't seem like it changed that much even though both my GPU and CPU blocks are that style. I did hear that over time it wears out the block or the plate though. Not super sure in that regard.
I've done tests with loop order with a 2600k and a HD 5970. the GPU being first or last didn't make any difference. and an overclocked 5970 is possibly the HOTTEST GPU ever made.
at normal pressure: 0°C: Water starts to freeze. 100°C: Water starts to boil. 1°C difference is 1 Kelvin difference. Very easy if you compare it to fahrenheit ;)
I had thermal sensors in my loop back when I had a loop. Going through two GPUs and the CPU raised water temperature by 3 degrees under heavy load. It was good proof that in a loop with proper flow, the water doesn't heat up significantly at each block.
This was a great explanation Jay! I believed before that Loop order was true but when I replaced my flexible hose with glass pipe and changed the order i noticed that it didnt matter...... Great info for the newcomers on liquid cooling though!
I've never done a custom loop, but I suspect that that depends on the flow rate/pressure head curve of the pump. Also, there is a conceptual risk that the parallel split will not evenly distribute coolant to each GPU, if the impedance of each path is different. If I had to guess, I'd definitely go in series.
I totally agree with you on this Jay. I got a Core P5 and my loop runs from my CPU to GPU to Pump to Rad. I have zero issues with heat, period. Loop order does NOT matter. 6600k delided @ 4.8 GHz (1.3975 V) running 60°C max and Strix 1080TI O8G oc'ed further running max temps of 44°C. Thanks for all you do. Your the Real Tech Jesus....
Mike Lovecchio I don't believe theres a voltage that can be considered normal voltage honestly. That's just what my chip needs. Results will vary chip to chip. Anything below 1.4 is safe enough.
What would be more interesting to know is the difference that radiator fan orientations can make in a case. For example if a front intake radiator feeds hot air to an exhaust top radiator, compared to both radiators blowing air in or out. Practically all Jay's builds I've seen have one radiator pushing hot air to another, which I've heard actually makes a noticeable difference in overall water temperature. Would love to see more tests on this.
Hey Jay, would pump speed cause any difference in temperatures? Also, how would temperatures change if you put a second rad between cpu and gpu? What about rad after res/pump and before cpu, or after gpu and before res/pump? Or do none of these actually matter much, and just microfin area on the coolers and fin area on the rad(s) matter?
5 лет назад+1
As he said, nothing changes. Adding a second radiator to your loop would impact temperatures, of course, but the order still doesn't matter.
i was looking some old video and... i confirm that the two temps (in and out) of (my) cooler 're identical. so... the order doesn't really matter. thanks Jayz2C for teaching me something interesting!!!
Jay remember this. Room temp usually 72°F ~ 22°C Great vid comparison with data. Thanks! Hope this helps. Cheers* *added tip: °C=(°Fx2)+28 Little trick to do in head and is pretty accurate. I know ppl, correct formula is C=(Fx1.8)+32, but multiplying 1.8 in head is something "don't wanna think about" even though can do, lol.
Oddly enough, I did have a build that had that from like 9 years ago. Had SLI GTX480s, motherboard block and a i7 930 with three 360mm rads. Damn that tower was heavy. If I wanted to get a bit froggy, I could have added two dual 80mm rads dedicated to cool the memory and hard drives.
Dude has great hair man. As man that's losing his hair, I always compliment my fellow man that has a full head of healthy hair. Luck of the draw I tell ya.
Agreed.Thermal gradient in most liquids is minimal so steady state temps are what matter. This is dictated mostly by the cooling performance of the radiator.There is a prerequisite. You need sufficient rate of flow to push the fluid around the loop for the rad to do it’s job.Then the sequence, (to all intents and purposes), does not matter.
Here's an idea for future testing I saw one guy who used an ordinary house radiator as a passive radiator, and he got some really good temps out of it.
he ought to be due to the extreme amounts of water in it compared to a regular small computer rad. And the surface area the house radiator has to cool off the water passively via ambient temperature is alot larger aswell.
Thanks J. I was curious to know some info on this. I plan to run from the pump to the CPU, to the rad, to the gpu, then back to the pump. Hope that's ok. Affording to this video temps will always be the same. Thanks again.
I understand loop order in a single rad setup does not matter however, it follows the laws of thermodynamics to come to the conclusion a greater temperature difference will increase the cooling effect. (More heat can be dissipated with a larger temperature differential). This is because there are two heat generators (A B) and one heat dissipation element (C). No matter how you order these ABC, ACB, BAC, BCA, CAB, CBA hot water from one component will flow into the radiator be cooled then be warmed by another component which then flows to the first component again. The following assumptions apply (CPU is 80deg C, GPU is 60deg C, ambient is 20deg C, at all times, heat dissipation causes temperatures to balance in exactly the center of the two temperatures eg 60 deg coolant with 20 deg ambient through rad => 40 deg coolant as a result ). What may be interesting to test is the following: CPU, RAD, GPU, RAD vs CPU, GPU, RAD, RAD. In the latter setup the CPU may heat the coolant up to 50 deg C, that then flows to the GPU where the coolant balances between 50deg (coolant) and 60deg (gpu) at 55 deg. This coolant then passes through two rads to reach back down to 20deg. VS In the former however, the coolant cools the CPU down to 50deg (20deg, vs 80deg) then passes through rad to become 35deg (20deg vs 50deg). The coolant then flows to the GPU and cools the GPU to 47.5 deg (35deg vs 60deg). The coolant finally passes through the final rad and reduces to 33.75deg this then repeats until the coolant settles at ~34.5deg with the same effect. This means the former setup reduces the temperature of the GPU by over 7deg. A considerable amount (~15%) difference
You would be right, but you did never take into account het heat cappacity of the coolant. To keep the GPU cool at 60 deg, water will not need to warm up all that much, certainly not with the fast flow of the water. So the coolant will not have a temperature in between ambient and component temperature, but rather just slightly above ambient, let's say 25c. It wil then maybe be heated up about 1-2 degrees by the GPU or CPU in the short timespan it is in contact with the component. This is not significant to observe in overal heating of the components.
And, if you have a specific component in your loop running in the edge if it's thermal limits, make sure you get your loop order straight, as it _does_ matter as I've explained in this short video response: ruclips.net/video/CTyf_lf-Ff0/видео.html
ToreBK actual real world difference will be barely a couple of degrees. Possibly enough to help if you're THAT close to a thermal limit but if you're that close to the edge you're either pushing too hard or you have insufficient cooling capacity. Add another radiator.
True. No setups are alike. However, if you adhere to the basic principles: waterblocks INCREASE the flowing liquid temperature, radiators DECREASE the flowing liquid temperature, you're all set, as long as you consider the UP and DOWN movements of the flowing liquid temperature through the loop. And please remember: the pump/res does not affect the flowing liquid temperature at all, it's pure function is to make the liquid flow!
If anyone wants to complain about one component getting hot from another just have the loop go from cpu to radiator then onto the gpu then into another radiator just to STOP FUCKING COMPLAINING about loop order and your OCD problems because it doesn’t matter. 😂 lol If a component in your system is getting too hot from fucking water cooling, you must be using a single 120mm radiator to cool your cpu and gpu at the same time and at that point air cooling will kick the crap out of that loop. Just get a bigger radiator or radiators and shut the fuck up if that’s your problem. lol 😂
Thank God for this video. I had been searching like hell fpr a little insight on which way the loop is supposed to go. The only constant i see is that the radiator must be connected to the pump / resevoir. Other than that the order doesnt matter.
Whoa im early, 36 views. Hell yes! One of these days i'll get into a custom loop (outside of the EVGA build you built for us). AIOs will do for now (since this guy typing right now didn't keep the system, channel partner did). Bookmarking for future reference!
NO, it doesn't Matter! Zeroth law of thermodynamics: If two systems are each in thermal equilibrium with a third, they are also in thermal equilibrium with each other.
Only for the first 10 mins, till the Brownian motion settles down and the whole system reached thermal equilibrium. There is nothing that can break the laws of thermal dynamics. So at the end NO IT DOESNT MATTER. You may Jump but you cant Fight gravity and fly. We are talking here about fundamental physical quantities (temperature, energy, and entropy). Trying to argue against it is the same as believing in Perpetual motion or the earth is flat.
I'm no physischst by any means, buy you're telling me that water that's fresh from a heat source does not contain more energy than before? How the hell does it transfer any energy to the radiator then? That's where this entire argument comes down to, yes it's ever so slightly warmer, no that doesn't make a difference whatsoever. Being in equilibrium does not mean it's equal at separate points.
It's negligible. Negligible enough that no one should argue about loop order and that's the point. He want's to shut up the people that say it matters and that's what he did.
been around watercooling forever like 20 years ago you know drilled cooling blocks aquarium hoses and pumps and car radiators so yeah i say before even watching the video it basically doesnt matter at all
temperature sensor are getting more inaccurate the further the temp is away from the temperature the sensor was calibrated for/with. Or Jay knows how to defy physics. Wikipedia : Silicon bandgap temperature sensor
Jay usually just looks at the thermostat setting in the room. Air temp can vary depending on the actual location of the temperature probe reading that temp as well as location and direction of air vents. As we all know, sitting directly under an ac vent is much cooler for example. A far more accurate way would be to place a temp sensor DIRECTLY in front of the radiator measuring the air temp going INTO the radiator. This could easily explain how something may SEEM cooler than ambient of you haven't ACTUALLY measured the ambient temp AT the radiator. However for this video, it's not really necessary because it was just to show the difference in radiator position and order of the loop.
Thank you sir! I plan on using the pyramid case so the rad sits at the bottom but I’m only water-cooling the cpu (intel i7 10700k) on MSI MEG z590 ace (silver & gold) going more for looks than hitting crazy benchmarks
Loop order doesn't matter. Unless you have such a large, large radiator that dumps all the heat in one pass. The size of that rad will be at least around a full size refridgerator.
All a heat exchanger does is have the capacity to cool using its total surface area. How fast or slow it happens doesn't matter because thermodynamics laws state that it WILL happen no matter what. A rad the size of the palm of your hand vs one the size of a car.....one will simply allow components to reach equilibrium faster. The purpose of watercooling is not to make things cooler. It's to stabilize temperatures under load for longer periods of time, before thermal throttling happens in the case of PC components. Same principle for an automotive radiator, it controls the engine and oil temperature so that an engine can operate efficiently and if it goes over then the 'thermal throttling' is parts starting to break of engine blocks getting soft aka annealing
There are two major factors involved here. 1. Larger surface area will have lower equilibrium temp, as lower means closer to the room temp. It's an exponential curve and the efficienty get's exponentially lower. 2. The rate at which the fluids, both the air and the liquid flows through the radiator and the loop. If, only in theory, liquid flows instantaneously through the loop, temp at point A to point B won't differ. But in real life fluid takes time to flow. So no matter what the size of the heat exchanger is, fluid temp going into the rad will be higher then the temp going out of the rad, only; and only if the temp of the fluid going in is higher than room temp. For smaller surface area, it doesn't matter because the temp delta is insignificant. For a significant;y large radiator it does. To put it simply, pour hot tea from the kettle into a cup. Temp delta is insignificant. Pour the same tea through a bunch of tubes or whatever you have available, the output will be significant'y cooler. Try it yourself.
So much explanation at once. Mind blown sir. You are right Rexin. If you guys watch Jays videos, then you know. He says it over and over again. Loop order in a typical PC doesn't matter because the liquid flows so fast that the heat difference is negligible.
Hi Jay! The order would matter only within first few minutes of the loop running when the thermal energy produced by the components and the energy dissipation in the radiator reaches the equilibrium. That means the second component will be first to reach the max idle temperature by a few seconds. Very interesting case for the precise measurements but completely negligible in a real life scenario.
A better experiment would have used two machines and two loops, each loop with one GPU and one CPU from each system. That way you can put load on one system and leave the other completely idle, and see how much each component in the idle machine increases in temp. If one increases more than the other, your claim is false. If they both increase by about the same amount, then your claim is true.
Hey Jay, thanks for the vid. I've recently wanted to get into water cooling and found your channel really helpful. This was a topic I was particularly looking for as well. My ROG Strix 1080ti gets over 80 degrees Celsius during games due to my cases poor airflow (corsair 500R) and the room I game in doesn't have air con and catches the afternoon sun. I've bought and am waiting on delivery of a Fractal Define R6 which should help a lot in that regard and future water cooling. Even if temps drop really well I'm going to try it because it looks like a fun hobby.
I have rtx 2070, running on 86c when playing RDR 2 online, just installed water xooling with 360mm rad, temperature dropped to 56-58c, i wasnt expecting that. Wow.
Hi Jay, physics major here. First of all, thank you for actually conducting the experiment. I don't doubt your results, but I have to correct you on your explanation. You seemed to be suggesting that there's a fundamental law of thermodynamics that implies loop order shouldn't matter. There isn't. In fact, the basic argument in favor of loop order mattering makes sense, though it depends on several parameters whose effects are hard to quantify.
It is absolutely true that as the coolant fluid passes through a component which introduces heat into the loop, the fluid will get warmer and be less effective at cooling the next component it comes into contact with (and the opposite is true for fluid that passes through a component which extracts heat). The only question here is the effect size. That is to say, "will the difference actually be noticeable?"
As you've shown here, the difference isn't noticeable, but it's not due to the laws of thermodynamics. It's due to the fact that the coolant fluid is passing through components quickly enough that the exchange of heat doesn't cause the temperature of the fluid at any specific location to deviate much from the average coolant temperature (though it does still deviate by some small amount). If the coolant were to be pumped through the tubes slowly enough that the exchange of heat resulted in a sizable change in coolant temperature, the difference in loop order would be noticeable.
Bottom line is that the combination of fluid dynamics and thermodynamics required to fully understand cooling solutions is not at all trivial, even for people who understand physics, let alone armchair physicists who try to make proclamations without actually doing experiments. The fact that you actually did the experiment is more helpful toward answering this question than my physics degree.
Former Rocket Scientist (really) here. Excellent response, Jon. We could design cooling systems that were more effective, more efficient and far more expensive, but what is available today is probably already past the cost-benefit points an average person would consider acceptable. Jay's point is, I think, that in common usage today, it does not matter. And on that point, he is correct.
Thanks for some science, my thermodynamics understandings were like... no Jay, that's not how it works despite how insistent you are!
it's fantastic to see youtube users replying to this video with well-reflected arguments, and then continuing onwards to have a well-thought-through debate that serves to enlighten curious minds.
i say, this is an amazing corner of the internet!
yes. this. the logic was okay, we tend to think that the liquid stayed on the block to absorb / transfer heat for a while before going somewhere else. it's like when you put water in a kettle, the water will heat up, then you put the warm water into another kettle, the kettle will warm up instead. however, in a pc the water just kept on flowing, it only matters if you check the temp on .001 accuracy or something.
Except Jay did say all that, without going into a bunch of physics. At one point he exactly said the rise in temperature accross components isn't enough to matter. So while you went into this long ramble to correct someone who wasn't wrong in the first place....
When I was building my custom loop PC I used to lie in bed thinking about different loop orders to send myself to sleep. True story. Not sad at all.
This was me last night haha
Dude. Same. About to be in bed planning my loop I'll build tomorrow.
That's me currently, it's definitely not sad, currently I don't even know what kind of tubes to use even though my blocks and reservoirs are ready and epic. Every thing should be ready in like 2 weeks from today I hope.
Hah, I been stuck in this "loop" for a few days.
This is me lmaoo and while I'm working
*our bodies are water cooled and no one moans about the order of that*
You should watch man vs wild before saying that.
Our bodies are air cooled...
sooo we don't sweat anymore...
The Firehawk EVERYTHING is ultimately air cooled seeing as eventually part of the system reaches air... however most of your heat is CONVEYED to the surface by liquid. So you are essentially liquid cooled to a liquid to air radiator.
You're having a bad day if your heart becomes air cooled...
This is great point. We also replenish our water hopefully daily.
You guys are badass. I search every question I have about PC building and your videos always pop up with answers presented in an entertaining way.
When your psu is so powerful it doesn't spin under load 😂
I know that feeling i have a corsair Rm1000x and I have never seen it spin😅
My 1600 T2 doesn't turn on until it hits 800w. It only turns on when using SLI which is almost never.
@RectalDiscourse Nahh man, I have the same PSU, and I can physically SEE the fan. The fan almost never spins up at all, it sits idle unless the system is under very heavy load.
But it’s good to have a powerful PSU! I run a Seasonic Prime platinum 1200 and it is platinum efficiency at 50% load. And I am usually drawing 600-700 watts of power while
gaming with my single 2080Ti at 2,130 and 7980XE at 4.8.
Main reason why I run a 1600w power supply.
Love your content, Jay. What I really like is that it is always helpful & informational (instead of just trying to be funny, showboating, etc.). Over time yours has become my favorite tech/hardware channel. Specifically, your videos were super helpful as I was getting started with water cooling. Thanks for all you do!
I appreciate this a lot. I'm slowly expanding my loop and I'm wanting to add the GPU block without adding a second radiator temporarily. It will only be a couple of weeks and I don't really game or do any major overclocking anyway. My loop is purely for aesthetics. I just get the bonus of lower temps.
Being someone thats about to do his first loop this saved me a massive headache thank you.
2 years later I'm now in the same position! To any other beginners, hard tubing loops are fucking hard!
This was a great video. Being a car mechanic myself I've always wondered how a water cooling loop on a computer would be different compare to a car. I know the temperatures on a car are more extreme, but the same concept still applies. Great video here!
Jay with the Linus ad transition
My mind still fills in "TUNNELBEAR!" even though they switched to Private Internet Access.
Tuunelbeeeeaar
at first I was like: "No way, Jay please xD"
Yeah, I'm not a fan of it. Please stick with clean cuts, it comes across as more professional.
Except Jay seems a lot less annoying
Still one of my favorite videos, and I share it with friends whenever they ask me questions about how to determine loop order or how I determined my loop order lol.
Thanks Jay. Your series of water cooling loop videos has been very helpful.
To be honest, I'd love to have the differences in running parallel vs serial(like when you have more then one graphics card) explained/tested and why you might go with one over the other.
those quick disconnect things are cool
and useful
and expensive
What is the company that makes them?
EK. www.ekwb.com/shop/fittings/extra/qdc
well there goes any hope of getting a bunch of those... not really worth the price unless you switch stuff often
This maybe the best jayz vid I've seen. Learned a lot here. Thanks.
Thanks for this, my take away lesson is to strategize tube trajectory to avoid bends as much as possible whether it be from CPU to GPU or vice versa.. Removes a little stress!
And to make the overall length of tubing as little as possible. Although in general most liquid cooling systems are rather overkill, limiting bends and tubing increases laminar flow and reduces wall friction. Water is an amazing energy absorber so won't reduce heat to any noticeable degree but takes substantial load of the pump increasing service life and saves a little power.
Thanks for this, I’ve never even thought about this but I’m new to the pc building community and it’s nice to pick up the right knowledge and useful tips straight away
Now THIS is a JayzTwoCents video, wooo!
Celsian what does that mean as far as i kno of every video he posts is his videos .... so yes thank for postin that its his video captain obvious
I kno guys but alot of people are complainin about him postin car vids .... its his channel and he even said he has 2 hobbies cars and computers .... so let him post whatever he wants
To clarify, I have no problem with Jay's car videos. I think they're great, but some or the videos he's posted over the past 6 months have been useless, like the beer loop. I get it, people requested it, but Jay is so much better than those low brow videos that don't teach us anything.
Thanks very much for this video. I plan on doing a custom loop for myself here soon and I honestly thought that loop order mattered a lot. Now I know it obviously doesn't so thank you very much for the extremely helpful video.
Thanks for the vid Jay! Can you do a video on whether running a loop in parallel is no worse than in serial as long as flow is ok? So I have something to send people when the say my loop sucks.
I have run multiple loops in different configurations. Bottom line, it does matter, but not the way you think. No matter what order I ran, CPU temp never varied more then +/-4 degrees Celsius.
What DOES matter is running the cooled water into your pump first! This is the main source of cooling for your pump. This can GREATLY extend pump life. I have seen pumps fail in less than 6 months because of this.
wow those GPU temps are really impressive . I know it's not in a closed case but nonetheless . One day I will maybe do it . Good work Jay
Ive been waiting for a video like this for a long time thank you
JayzTwoCents good to know Jay! Great video. Not that I have a custom loop, I only have an AIO.
Do parallel loop testing!
0:56 Okay Linus, thanks for the uncanny transition from your topic into a sponsor xd
Been saying this for a while now, but thank you for doing a video so I can reference people to it.
This video saved me *SO MUCH* time. Thank you JayzTwoCents!
Thanks for dispelling another myth that people seem to never understand Jay. Nice work! Keep schooling the noobs!
Kinda like when he recommended Primo Chill Vue, and fucked up everyone's loops.
If Vue fucked up your loop, that's on YOU. Not him. He said many times that Vue is a work in progress, and you REALLY need to clean your loop with a blitz kit before using it. He never said it was perfect. Blaming someone else because you're a knob isn't his fault. Fuckin' noobs, always needing their hand held.
Bartacus im a noob. I didn’t think this was untrue. It just makes sense
Then you're the exception. :-) It makes sense, but this is one of those things that noob water coolers always seem to question, before doing the research.
Bartacus this video is straight misinformation. And Jay even dares to mention Thermodynamics... Testing here is extremely flawed as it's pretty obvious that radiator out will be cooler than intake, otherwise if the radiator wasn't doing anything there, might as well take it out altogether.
What happens here is that you have extremely overkill parts (pump, rad, fans, blocks) for relatively little heat, that's why you don't see a difference. If you had a smaller rad or an SLI configuration, you would see together with higher component temperature, radiator out would also be much cooler than intake and loop order would be a factor
OCCT is rendering the Graphs @JayzTwoCents
Thats the spiking
This - as he probably forgot, starting with Vista, the UI of Windows is rendered on the GPU, and culling does not take place (AFAIK) for windows overlapping or being totally obscured. Not sure on minimizing, but maybe (I have seen evidence of a GPU temp drop by about 1 degree or so by minimizing my browser, but that might be because most browsers have extra GPU use that, say, Office doesn't have (or maybe at this point it also does lol).
But why would it be *spiking* when the graphs are being continually updated?
I was wondering about this. Very helpful to know order does not in fact matter (working toward first water cooled)
This was really helpful for me. After 10+ years I want to build a water loop and these type of video helps take care of some of my questions.
0:56 doing it the cool linus way !
=)
I wanna see a loop with a rad before and after cpu,thus having a rad for each component in a single loop. Just for comparison.
Adding a radiator will of course improve performance. You're increasing the amount of surface area which the fans are moving air through and thus extracting more heat from the loop. But if you use, say 2 120mm radiators instead of 1 240, the overall amount of heat removed from the system by the radiators remains the same, and temperatures will stay the same. This is because the entire system's heat removal capacity remains the same. You have to add heat removal capacity in the form of more radiator surface area in order to remove more heat from the loop.
@@ashesofempires04 If you were to add multiple radiators where water returning from each component it cools is brought back down to ambient temp, would it not make it so that each component is running cooler since each component receives water which is at ambient temp instead of water which was just moved through a hot component?
The fluids move at such a high rate of speed the entire loop reaches a equilibrium. Loop order doesn't matter. Size of radiator and fanspeed will make the biggest difference. In my loop I have two 560mm radiators. Fans on vs off in my loop makes a 25c difference.
@@Ghettochild.2600 jesus 2 560 rads are you running nuclear power cores? collapsed suns?
@@corybolton7462 Just an overkill setup with 1080 ti SLI and a delidded 8700k. Once the RTX 3090 releases I'm switching to a small form factor build. Either an ncase m1 or sidearm t1.
www.overclockers.com/forums/showthread.php/788563-Thermaltake-Tower-900-Build-Log
I wondered about this, so I Googled to learn more. I watched this video and learned more. Thank you Jay!
Another great video. I really appreciate the 1440p (so much sharper than 1080p, really helps with benchmarks results and stuff). Have a sub from me!
It is called Equilibrium.
Jondoe Smith it's entrophy
It's a nice german Band.
Tarun Kumaar Equilibrium is a german Metal Band ;)
Not really the water temperature technically rises in the blocks but it's so little that it doesn't really matters because the flow rate is so high.
"Equilibrium: a state in which opposing forces or influences are balanced."
"Entropy: a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system."
Humm
I don't think Jay recognizes the magnitude of the pun he made when he said "it's *cool* and all".
Thanks for the info. Doing a AMD 50th Anniversary Build with dual Radiators and was concerned about the order of the loop using the EKWB for the Anniversary Edition 5700XT and a R9 3900.
Your the best Jay. BTW, I love 15 mins away from PPCS! They are the best!
Awesome video about loop order! You should do another on which way inlet and outlet ports on water blocks. Some say that for impingement style blocks it really matters which way it goes. I tested it both ways it doesn't seem like it changed that much even though both my GPU and CPU blocks are that style. I did hear that over time it wears out the block or the plate though. Not super sure in that regard.
I've done tests with loop order with a 2600k and a HD 5970.
the GPU being first or last didn't make any difference.
and an overclocked 5970 is possibly the HOTTEST GPU ever made.
3rd Gen Guy so your the reason we have global warming lol
bbmatias22 My farts count
Perhaps after my rx 590 fatboy... god I regret that buy
HD 4870x2 enters chat.
at normal pressure:
0°C: Water starts to freeze.
100°C: Water starts to boil.
1°C difference is 1 Kelvin difference. Very easy if you compare it to fahrenheit ;)
Fahrenheit:
0°F: salt water starts to freeze
100°F: temperature of the human body
Great video Jay. Always wondered about this and now I know!
Nice test Jayz ! Your RUclips Channel rocks! 🤘
I had thermal sensors in my loop back when I had a loop. Going through two GPUs and the CPU raised water temperature by 3 degrees under heavy load. It was good proof that in a loop with proper flow, the water doesn't heat up significantly at each block.
insta-liked for the smugface in the thumbnail!
This was a great explanation Jay! I believed before that Loop order was true but when I replaced my flexible hose with glass pipe and changed the order i noticed that it didnt matter...... Great info for the newcomers on liquid cooling though!
Love the smooth link into your ad 😉
Hey Jay, is there a cooling difference when water cooling multiple gpus in series vs parallel?
I've never done a custom loop, but I suspect that that depends on the flow rate/pressure head curve of the pump. Also, there is a conceptual risk that the parallel split will not evenly distribute coolant to each GPU, if the impedance of each path is different. If I had to guess, I'd definitely go in series.
I totally agree with you on this Jay. I got a Core P5 and my loop runs from my CPU to GPU to Pump to Rad. I have zero issues with heat, period. Loop order does NOT matter. 6600k delided @ 4.8 GHz (1.3975 V) running 60°C max and Strix 1080TI O8G oc'ed further running max temps of 44°C.
Thanks for all you do. Your the Real Tech Jesus....
Is that the normal vcore for a OC'd 6600k?
I love my TT Core P5. I got the Tempered Glass edition.
Mike Lovecchio I don't believe theres a voltage that can be considered normal voltage honestly. That's just what my chip needs. Results will vary chip to chip. Anything below 1.4 is safe enough.
Marcus Colwell Aww... I wanted that one. But I got the Plexiglass version because it had a mail in rebate. I might upgrade one day tho.
Xclio you can purchase the tempered glass Kit. It comes with the 3 glass panels and the mounting hardware.
Awesome video and informative! You should do this again, but with a fan curve instead of fans @ 100% the whole time.
Hey I actually used your videos as a tutorial when I did my first water cooling set up!!! I'll tweet you later!!!
What would be more interesting to know is the difference that radiator fan orientations can make in a case. For example if a front intake radiator feeds hot air to an exhaust top radiator, compared to both radiators blowing air in or out. Practically all Jay's builds I've seen have one radiator pushing hot air to another, which I've heard actually makes a noticeable difference in overall water temperature. Would love to see more tests on this.
Hey Jay, would pump speed cause any difference in temperatures?
Also, how would temperatures change if you put a second rad between cpu and gpu?
What about rad after res/pump and before cpu, or after gpu and before res/pump?
Or do none of these actually matter much, and just microfin area on the coolers and fin area on the rad(s) matter?
As he said, nothing changes. Adding a second radiator to your loop would impact temperatures, of course, but the order still doesn't matter.
i was looking some old video and... i confirm that the two temps (in and out) of (my) cooler 're identical. so... the order doesn't really matter. thanks Jayz2C for teaching me something interesting!!!
Great video, i was racking my brain about this. This will simplify my life during my current build for sure.
Private internet access vs Nord VPN ? I can't decide .
Nord. By far the best. And not based in the US so no NSA compromising it.
Jay remember this. Room temp usually 72°F ~ 22°C
Great vid comparison with data. Thanks!
Hope this helps. Cheers*
*added tip: °C=(°Fx2)+28 Little trick to do in head and is pretty accurate. I know ppl, correct formula is C=(Fx1.8)+32, but multiplying 1.8 in head is something "don't wanna think about" even though can do, lol.
C = (Fx2) + 28
My room is at 80F
(80 x 2) + 28 = 188 C
oh yeah it's so hot
Very informative video Jay! Nice work.
Great video as always, keep up the great work Jay! Sad to say, though, people will argue for the sake of arguing....
I'm here from the future, Jay... and NordVPN is a no go!
This is even more confusing than the time I locked myself in my car.
ruclips.net/video/grHc6MbpUJs/видео.html
Just making my first loop… thanks for this video 👍
Awesome video.. I have always wondered about this. I cant wait to do my own build for my next gaming pc.
"You know what does matter? Protecting your internet experience!"
Wow he's really turning into Linus
I came here to say this, but I knew in my heart that it had already been said.
Loop order
>implying each component in my rig doesnt have a 360mm rad
even my rads feed intro their own dedicated rads
Oddly enough, I did have a build that had that from like 9 years ago. Had SLI GTX480s, motherboard block and a i7 930 with three 360mm rads. Damn that tower was heavy. If I wanted to get a bit froggy, I could have added two dual 80mm rads dedicated to cool the memory and hard drives.
i like the chill music in the backround jay
Good video. I have wondering if mattered if you have both on the same loop. Well done.
You learned a lot from Linus, especially the way of introducing a sponsor
Jay yeah, but learning to drop stuff like Linus....BAAAAAAD 😱
LinusDropTips, tips for dropping things yet keeping them safe at the same time :P
I don't think Jay picked up the dropping stuff habit from Linus - pretty sure that's a life long skill for both of them...
Except Jay doesn't suddenly change the sponsor and sticks to nordvpn haha (we will see)
This comment IST brought to you .... By tunnel bear
Can't stop staring at his amazing hair.
Dude has great hair man. As man that's losing his hair, I always compliment my fellow man that has a full head of healthy hair. Luck of the draw I tell ya.
Keep up the good work Jason . You're the best .
Agreed.Thermal gradient in most liquids is minimal so steady state temps are what matter. This is dictated mostly by the cooling performance of the radiator.There is a prerequisite. You need sufficient rate of flow to push the fluid around the loop for the rad to do it’s job.Then the sequence, (to all intents and purposes), does not matter.
Here's an idea for future testing
I saw one guy who used an ordinary house radiator as a passive radiator, and he got some really good temps out of it.
he ought to be due to the extreme amounts of water in it compared to a regular small computer rad. And the surface area the house radiator has to cool off the water passively via ambient temperature is alot larger aswell.
Yoooo that nordVPN transition !!! He just did it linus style !!!!!!
Thank you!!! I had this question in the back of my mind!!
Thanks J. I was curious to know some info on this. I plan to run from the pump to the CPU, to the rad, to the gpu, then back to the pump. Hope that's ok. Affording to this video temps will always be the same. Thanks again.
I understand loop order in a single rad setup does not matter however, it follows the laws of thermodynamics to come to the conclusion a greater temperature difference will increase the cooling effect. (More heat can be dissipated with a larger temperature differential). This is because there are two heat generators (A B) and one heat dissipation element (C). No matter how you order these ABC, ACB, BAC, BCA, CAB, CBA hot water from one component will flow into the radiator be cooled then be warmed by another component which then flows to the first component again.
The following assumptions apply (CPU is 80deg C, GPU is 60deg C, ambient is 20deg C, at all times, heat dissipation causes temperatures to balance in exactly the center of the two temperatures eg 60 deg coolant with 20 deg ambient through rad => 40 deg coolant as a result ). What may be interesting to test is the following:
CPU, RAD, GPU, RAD vs CPU, GPU, RAD, RAD.
In the latter setup the CPU may heat the coolant up to 50 deg C, that then flows to the GPU where the coolant balances between 50deg (coolant) and 60deg (gpu) at 55 deg. This coolant then passes through two rads to reach back down to 20deg.
VS
In the former however, the coolant cools the CPU down to 50deg (20deg, vs 80deg) then passes through rad to become 35deg (20deg vs 50deg). The coolant then flows to the GPU and cools the GPU to 47.5 deg (35deg vs 60deg). The coolant finally passes through the final rad and reduces to 33.75deg this then repeats until the coolant settles at ~34.5deg with the same effect. This means the former setup reduces the temperature of the GPU by over 7deg. A considerable amount (~15%) difference
You would be right, but you did never take into account het heat cappacity of the coolant. To keep the GPU cool at 60 deg, water will not need to warm up all that much, certainly not with the fast flow of the water. So the coolant will not have a temperature in between ambient and component temperature, but rather just slightly above ambient, let's say 25c. It wil then maybe be heated up about 1-2 degrees by the GPU or CPU in the short timespan it is in contact with the component. This is not significant to observe in overal heating of the components.
So if you've got heating problems then just add more radiators!
Precisely
And, if you have a specific component in your loop running in the edge if it's thermal limits, make sure you get your loop order straight, as it _does_ matter as I've explained in this short video response: ruclips.net/video/CTyf_lf-Ff0/видео.html
ToreBK actual real world difference will be barely a couple of degrees. Possibly enough to help if you're THAT close to a thermal limit but if you're that close to the edge you're either pushing too hard or you have insufficient cooling capacity. Add another radiator.
True. No setups are alike. However, if you adhere to the basic principles: waterblocks INCREASE the flowing liquid temperature, radiators DECREASE the flowing liquid temperature, you're all set, as long as you consider the UP and DOWN movements of the flowing liquid temperature through the loop. And please remember: the pump/res does not affect the flowing liquid temperature at all, it's pure function is to make the liquid flow!
If anyone wants to complain about one component getting hot from another just have the loop go from cpu to radiator then onto the gpu then into another radiator just to STOP FUCKING COMPLAINING about loop order and your OCD problems because it doesn’t matter. 😂 lol If a component in your system is getting too hot from fucking water cooling, you must be using a single 120mm radiator to cool your cpu and gpu at the same time and at that point air cooling will kick the crap out of that loop. Just get a bigger radiator or radiators and shut the fuck up if that’s your problem. lol 😂
Cool video. You make a very good point. Just out of interest what happens to the temperatures if you put the CPU and GPU in their own separate loops?
Thank God for this video. I had been searching like hell fpr a little insight on which way the loop is supposed to go. The only constant i see is that the radiator must be connected to the pump / resevoir. Other than that the order doesnt matter.
Whoa im early, 36 views. Hell yes! One of these days i'll get into a custom loop (outside of the EVGA build you built for us). AIOs will do for now (since this guy typing right now didn't keep the system, channel partner did). Bookmarking for future reference!
NO, it doesn't Matter! Zeroth law of thermodynamics: If two systems are each in thermal equilibrium with a third, they are also in thermal equilibrium with each other.
Thank you! Was about to write the same.
Yes it does..it slightly cools off a bit more coming out the rads than it would blocks first....is that real hard to figure out.....
Only for the first 10 mins, till the Brownian motion settles down and the whole system reached thermal equilibrium. There is nothing that can break the laws of thermal dynamics. So at the end NO IT DOESNT MATTER. You may Jump but you cant Fight gravity and fly. We are talking here about fundamental physical quantities (temperature, energy, and entropy). Trying to argue against it is the same as believing in Perpetual motion or the earth is flat.
I'm no physischst by any means, buy you're telling me that water that's fresh from a heat source does not contain more energy than before? How the hell does it transfer any energy to the radiator then? That's where this entire argument comes down to, yes it's ever so slightly warmer, no that doesn't make a difference whatsoever. Being in equilibrium does not mean it's equal at separate points.
It's negligible. Negligible enough that no one should argue about loop order and that's the point. He want's to shut up the people that say it matters and that's what he did.
Excellent proof Jay!
Thank you for the vid Jay.
been around watercooling forever like 20 years ago you know
drilled cooling blocks aquarium hoses and pumps and car radiators so yeah
i say before even watching the video it basically doesnt matter at all
Jay 70 F is about 20 C.
21, to be exact. So the GPU was colder than ambient. Que?
temperature sensor are getting more inaccurate the further the temp is away from the temperature the sensor was calibrated for/with. Or Jay knows how to defy physics. Wikipedia : Silicon bandgap temperature sensor
Or maybe it was closer to 68 F and he rounded up.
Yeah, I'm thinking it was 68. That's an average setting.
Jay usually just looks at the thermostat setting in the room. Air temp can vary depending on the actual location of the temperature probe reading that temp as well as location and direction of air vents.
As we all know, sitting directly under an ac vent is much cooler for example.
A far more accurate way would be to place a temp sensor DIRECTLY in front of the radiator measuring the air temp going INTO the radiator. This could easily explain how something may SEEM cooler than ambient of you haven't ACTUALLY measured the ambient temp AT the radiator.
However for this video, it's not really necessary because it was just to show the difference in radiator position and order of the loop.
Very interesting video! Thanks a lot for the effort 👍🏻
Thank you sir! I plan on using the pyramid case so the rad sits at the bottom but I’m only water-cooling the cpu (intel i7 10700k) on MSI MEG z590 ace (silver & gold) going more for looks than hitting crazy benchmarks
0:57 Man, that was smooth, but you've still got a long way to go to catch up to Linus on the $hilling department, lol.
Loop order doesn't matter. Unless you have such a large, large radiator that dumps all the heat in one pass. The size of that rad will be at least around a full size refridgerator.
Rexin Oridle still woudnt matter.
even than the Equilibrium temperature state will occur over time so no it won't matter.
All a heat exchanger does is have the capacity to cool using its total surface area. How fast or slow it happens doesn't matter because thermodynamics laws state that it WILL happen no matter what.
A rad the size of the palm of your hand vs one the size of a car.....one will simply allow components to reach equilibrium faster.
The purpose of watercooling is not to make things cooler. It's to stabilize temperatures under load for longer periods of time, before thermal throttling happens in the case of PC components. Same principle for an automotive radiator, it controls the engine and oil temperature so that an engine can operate efficiently and if it goes over then the 'thermal throttling' is parts starting to break of engine blocks getting soft aka annealing
There are two major factors involved here.
1. Larger surface area will have lower equilibrium temp, as lower means closer to the room temp. It's an exponential curve and the efficienty get's exponentially lower.
2. The rate at which the fluids, both the air and the liquid flows through the radiator and the loop. If, only in theory, liquid flows instantaneously through the loop, temp at point A to point B won't differ. But in real life fluid takes time to flow. So no matter what the size of the heat exchanger is, fluid temp going into the rad will be higher then the temp going out of the rad, only; and only if the temp of the fluid going in is higher than room temp. For smaller surface area, it doesn't matter because the temp delta is insignificant. For a significant;y large radiator it does.
To put it simply, pour hot tea from the kettle into a cup. Temp delta is insignificant. Pour the same tea through a bunch of tubes or whatever you have available, the output will be significant'y cooler. Try it yourself.
So much explanation at once. Mind blown sir. You are right Rexin. If you guys watch Jays videos, then you know. He says it over and over again. Loop order in a typical PC doesn't matter because the liquid flows so fast that the heat difference is negligible.
Infrared imaging camera can provide a pretty nifty visual representation of where the hot spots are in various setups.
Awesome video man! Thanks for the info!
What about multi rad setups? gpu -> Rad ->cpu ->rad -> pump/resivior ->gpu
Haha.....he said “huge load” haha haha 🤪🤣
Hi Jay! The order would matter only within first few minutes of the loop running when the thermal energy produced by the components and the energy dissipation in the radiator reaches the equilibrium. That means the second component will be first to reach the max idle temperature by a few seconds. Very interesting case for the precise measurements but completely negligible in a real life scenario.
Jay I love your videos man!!!! You're the shit. A loyal fan.
A better experiment would have used two machines and two loops, each loop with one GPU and one CPU from each system. That way you can put load on one system and leave the other completely idle, and see how much each component in the idle machine increases in temp. If one increases more than the other, your claim is false. If they both increase by about the same amount, then your claim is true.
The real question is, why do people state their opinions as factual when that's not how it works?
You're referring to a claim, not an opinion.
Because in a world where people are told 'opinions can't be wrong' the stupid reign supreme.
because people don't understand that their entitled to their own opinions but not their own facts.
Welcome to the internet, where everyone is an expert :)
That's how politics work now, actually.
Good to know. Just received my CL SMA8-A. ONE DAY..... I too will build a badass custom loop.
Hey Jay, thanks for the vid. I've recently wanted to get into water cooling and found your channel really helpful. This was a topic I was particularly looking for as well.
My ROG Strix 1080ti gets over 80 degrees Celsius during games due to my cases poor airflow (corsair 500R) and the room I game in doesn't have air con and catches the afternoon sun. I've bought and am waiting on delivery of a Fractal Define R6 which should help a lot in that regard and future water cooling. Even if temps drop really well I'm going to try it because it looks like a fun hobby.
I have rtx 2070, running on 86c when playing RDR 2 online, just installed water xooling with 360mm rad, temperature dropped to 56-58c, i wasnt expecting that. Wow.