@ObinAtor Yeah those are meant for servers where the foot traffic is low (so the noise and revs can be limitless), but for a consumer PC they're overkill at max revs.
The fan noise is produced by a capacitor. I was shocked, too, when I cleaned it and changed the thermal paste. There’s a video of someone trying to replace that capacitor, but I don’t remember if he managed to get rid of the noise.
Buddy did that in the early 2000s, until a bottle of coke next to it fell in a way that the cap hit the edge of the graphics card and ripped the port off the MB. Its a learning process.
@@Trippsy05 My house airconditioning and ceiling fans both drown out any noise my case fans make under full RPM. Pretty sure an air purifier isn't going to make any difference to the noise in the room.
When in doubt, do the “paper test”. Place a thin piece of paper in front of fan. If paper “sticks” to fan air blowing in. If paper is “pushed” back by fan, air blowing out
I have negative air pressure in my case and it, surprisingly, is the setup that has given me the best temps. 9 exhaust fans on three radiators with one intake on the back in the lian li 011 xl.
@@NdEfOrYdOdKfI it can suck up the dust that lands around the pc. You kick this dust up with your feet or when it is on your desk with your hands or moving a stack if papiers for example. Over time this builds up. If it is raised up, it will be further away from the surface on with the dust lands and so it will suck up less when dust is blown up into the air. I made a very simple wooden frame wich is open on the underside. After years of standing on the ground in a very dusty invironment it was relativly dust free. I checked after a couple of year and decided not to bother at all and closed it back up again.
Sadly in a cigarette smoking and animal hair environment the dust is the very least of my issues. Only once were my filters truly filled with dust, and I had gone a long time without removing them that time. The nicotine and cat hair is what gets ya.
If your pc tower comes with a dust filter i think it's good to have a slight negative pressure cuz it's always good that all the hot air is taken out of the tower and allows more cold air to get sucked in
The main reason for not having negative air pressure is only related to air cooling and doesn't really apply to water cooling. Negative pressure means less air molecules in the case to transfer the heat energy into. Somewhat less importantly, but more impactful over time, negative air pressure causes more dust to accumulate on the inside of the case.
PC fans and room fans spin the same direction in reference to airflow. If the air is coming towards you the blades spin clockwise. If they air is blowing away from you the fins are spinning counter clockwise.
Negative air pressure is much better for flow/turbulence, getting way better temps, you just have to keep your desk clean and do some maintenence every few months.
Honestly, there's going to be just as much dust regardless of positive or negative pressure...which is kind of a dumb distinction to make on a pc case with a bajillion holes in it anyway...I miss the old LTT.
@@rodrigoferreiramaciel4815 If you have a DECENT PC case made in the last 10 years, you probably have dust filters built into the case, or have removable filters. Those filters are only going to allow so much dust/air in, unless of course, you never clean them.
I really think you guys need to go back and review this... When holding the PC fan up to the 'household' fan, you're holding the PC fan backwards. You state a moment later that the 'nice' side is the intake side which is the side you had facing the camera in that shot. So if you properly put the PC fans intake towards the household you'd see it's actually spinning clockwise as well.
@@williwonti well louder yes but die faster does it matter? I've had fans running at full speed for 8 years they're probably ready to die but they still work. Four of them are currently cooling my GPU via radiator at 36°C idle for 8 years.
@@Igmus agreed. Fans rarely die. I've had the ones on my Nzxt cooler for 4+ years and the ones in my case are also about 6-7 years old running at full speed and they still go to their hearts content
Good short vid! I prefer negative pressure with dust filters though. Almost no dust at all and certainly less than no filters + positive pressure. Also the negative pressure with exhausts at the top help the chimney-effect so you can run very low rpm with air coolers! I've tested this with 1 exhaust fan at the top/rear against 3 intake fans at the front. Taking the front fans out made the temps raise about 5°C (70 to 75), while taking the rear fan out showed 83°C. But for idle desktop stuff, I stop the rear and top fans but keep the 3 front fans at 350 rpm to only have the negative pressure + chimney-effect under load.
@@b2mark914 what? no... only thing that affects fans lifespan is the orientation and bearing design. Some bearings fail faster if mounter vertically. Fans rarely spin at full speed and most are designed with low RPM limits anyway. Examle: 120mm fans usually have 1200rpm limit and can run at 100% for years. If the RPM is 2000 or more then yes you'll need to adjust the fan curve but mostly to keep it quiet since 2000rpm 120mm fans would be loud.
i prefer slightly negative air flow. makes sure all the excess heat is pulled quicker. slightly positive air flow will hold the heat in more. slightly positive airflow will give slightly more heat diffusion, but it'll be more temperamental as there will be more hot pockets.
I normally can’t hear my fans at full tilt from their home under the desk. Only when nothing is playing through my headphones do they come through. Unlimited power for the spin gang.
It seems you either overlooked, or picked the wrong alternative, in the _'Region'_ option when ordering your household fans. Those are *_Australia_*_ spec_ fans.
The default curves on motherboards are fine. Its just a linear flop rate relationship. There are pros and cons to each curve style depending on what you want, but most people won't notice or care for those from the linear line.
Positive pressure is a good suggestion. I've found a 3x ratio of filtered intakes to unfiltered output makes a decent positive pressure curve, maintains all the clean case advantages, and you only ever need to clean the filters. You should be able to feel a very gentle air current from gaps in your case. It doesn't need to be like forceful at all, just a gentle breeze is enough.
Bonus points if you set the inner case airflow path to not even require a fan on the cpu heatsink. That typically requires closing the case off very well, though, like rubber seals on everything, and running maybe a 4x ratio to really get the flow going.
@@sharifatassi honestly if you want to know if they should be intake or exhaust you'll need to look for somebody that specifically tested that case (it's popular so I'm sure there is) This is because while negative pressure will increase the dirt in your case it does sometimes perform better. Also optimal fan placement is important.
Living in a simulation.......i swear lol...hours ago I looked up this information to make sure my gfs new case and fans would get the best way to set them up....
They don't actually spin counter clockwise. They spin in the same direction as a normal fan based on the direction of airflow. It just depends on which side you call the "front".
I always prefer a slightly negative pressure for the best cooling at higher temps, but it really depends on your fan positioning... an exhaust next to huge openings with negative pressure would just recycle the hot air. There is no ideal scenario regarding pressure, the important thing is to know how your case works
I've always built mine with exhaust pressure in mind, but I always tape off all the tiny holes mentioned here, even the vents in the rear. Only real issue I have is dust collecting around the small holes in the I/O shield around the ports, quick hit of duster makes quick work of it tho (wasn't an issue when I started building 20 years ago). Sometimes I miss the days when heat wasn't really a concern, a single 80mm fan out the rear + PSU fan was sometimes more than you needed
which is great... except the arrangement of fan mounts and filters on my case means two intake fans in the front, to exhaust fans in the top, one exhaust fan in the rear, plus PSU fan intaking from the bottom and exhausting to the rear, is the only viable configuration. Rear fan has no filter, top fans and directly above the CPU radiator, top, bottom, and front are well filtered. On the up side, unlike it's predecesor, this one isn't on the floor!
You realize that depending on where you live that you have to change what direction your fan rotates based on season (to either pull hot air up in summer or cold air up in the winter)
you understand it's the same, right?...........................................................................................................................................................................................................................................................................................................................................................................................right?
Slightly positive pressure is wrong, cause you never account for turbulence. On the other hand slightly negative is better cause heat tends to rise up and escape quickly due to the configuration. The tradeoff is that the pc needs cleaning more often
still spew misinformation? more exhaust is better, basically actually don't need intake unless you intend to fan/blow components directly. More Exhaust is also better for dust control as evidenced by 1 year dust testing of Linus and Luke.
"SLIGHTLY higher intake pressure" - you never want to have more than that. Temperaturewise you want a slight underpressure, ignoring the dust problem. Reasoning behind that: cold/fresh air can come into the case anywhere, warm/used air tries to go out almost always on the top. For me it is 3x front in and 3x top out and 1x back out, could add another bottom in but have no filter there.
I really like how the top intakes are right next to the top exhaust, making 3 of the fans essentially useless. Maybe some educational TikToks on actual air flow would be helpful instead of super basic “6-4=2=good setup”
However, if you only have one case fan it should be exhaust because it will naturally bring cool air in anyway while dispensing hot air more effectively than a single intake. The lack of hot air buildup around your components is what keeps them cool.
There can be benefit to negative pressure as well, in some cases (h510 comes to mind) the main place it’s going to pull in air is through the PCIE slots which is going to give your GPU plenty of fresh cool air.
All intake, only the backside of the case open. Use high static pressure fans and try to fit a few in between (You can also place them near the backside to create a pressure outside which helps refresh the air inside with all the positive pressure).
Problem with having a case that allows for 2 intake at the front, 2 exhaust fans in the top, and one exhaust in the back, is you need to run the exhaust at a low fan speed and have your front intake fans at a high speed, creating positive air pressure
Turbulence is inherent to PC fans. It's not something that would be a problem inside a PC case. What is a problem is the air actually not having anywhere to go in certain parts of the case (commonly under the GPU) and ending up being cycled over and over by the internal fans. This is a case design problem though as it's usually caused by parts of the case being effectively compartmentalized due to insufficient intake and space. All you really need to do is look at the Fractal Torrent. It has insane amount of positive pressure, doesn't even come with an exhaust fan, and it tops all charts in terms of cooling performance. And most of that advantage comes from not having a PSU blocking the GPU intake and having a very open rear.
Negative pressure is good in itx small form factor pcs, sucking heat away from the gpu and forcing more air in through the side panel, helping get even more air to the gpu
3 intake and 6 exhaust for me 🫠 2 of them (on the AIO) were installed backwards and i've been too lazy to balance it back out 😅. luckily the o11d mini and the parts inside havent had any issues with it yet, but when i move i'm probably gonna get back in there and flip em the right way
@@nandarisya4255 5800x (usually caps at 60°-62°) 3080 ti FE (highest i've seen is 82°, but most games it sits at 78°-80°) this is with the fans silent/quiet, when i turn up the case fans i usually drop a couple degrees on the GPU (i only do this if the gpu fans have already ramped up because the case fans are still quieter)
i used to run positive preasure in my 011 air(5 in 3 out). But i wasn’t satisfied with my gpu temps (it was hitting 95c junctions temp on my 5700xt.) Switched the top 3 fans to exhaust with the only intake fans being the 2 bottom ones, and dropped 15c on the gpu junction temp. Sure it gets alittle dusty. But nothing some compressed air cant fix.
My case has neutral air pressure since it has two intakes and two exhausts. I could tune the fans to make sure there's a little positive pressure, but I prioritize quiet operation, and my case gets dusty VERY slowly. Like, I didn't clean it in over 3 years and it still looked really nice and not gross at all, even with rgb all over it.
“Other wise”
*leaf blower sound starts in the background
I installed industrial Noctua fans in my case, the thing is louder than a leaf blower xD
But got HDD temps down from 45 to 30 degrees at max load
@ObinAtor Yeah those are meant for servers where the foot traffic is low (so the noise and revs can be limitless), but for a consumer PC they're overkill at max revs.
@@obinator9065 same in a mini itx. Complete overkill but it's nice to know that if I really want to I can freeze the components without annoying water
And if you got more powerful fans, especially with as many fans in this video.... *Jet engine noises intensifies*
Basically the PC version of a PS4 💀
My gpu sounds like a leafblower randomly
damn I hate cliffhangers 😢
@Gabriel Gledhill never heard of that, so no. Can YT Premium be the cause to this?
@Gabriel Gledhill what about android app?
@Gabriel Gledhill XDDDDDD
Since the video is intended to automatically repeat, many people on shorts have the last line lead back into the first.
@Gabriel Gledhill professional gaslighter
“Make sure to adjust your fan curves so they aren’t always spinning at max speed”
The PS4 engineers at Sony: “damnit I knew we forgot something”
Haha they are not forgot obviously ps4 heating fast with framerate higher than 30 and it’s actually nearly always hot.
I took mine apart and cleaned the fan and cooler. It wasn't hard. Whisper quiet after.
nah i'm pretty sure they overclocked them fans to make them louder
@@qPalee seriously. Just take it apart and clean it. It's super easy.
The fan noise is produced by a capacitor. I was shocked, too, when I cleaned it and changed the thermal paste. There’s a video of someone trying to replace that capacitor, but I don’t remember if he managed to get rid of the noise.
For my old tower, I just took the side panels off and parked a box fan next to it. Coolest I've ever run.
Buddy did that in the early 2000s, until a bottle of coke next to it fell in a way that the cap hit the edge of the graphics card and ripped the port off the MB. Its a learning process.
@@BatLB take an big fan, that ”protects” the pc
I did this while I was waiting for my case fans, my graphics card was running at 40 under load
@@AlaskyHuskyG airflow is a joke to you ? Lol
@@BatLB yes, nah lol
I have only negative pressure in my PC case. Temps are good, dust is good too (it’s everywhere).
LMAO
Gotta make sure the air you breathe in is fresh.
Start by cleaning the floor regularly and having an air purifier.
@@probablynotdad6553 you are correct but sadly air purifiers at max speed are as loud as or even louder than a PC under full load.
@@Trippsy05 My house airconditioning and ceiling fans both drown out any noise my case fans make under full RPM.
Pretty sure an air purifier isn't going to make any difference to the noise in the room.
When in doubt, do the “paper test”. Place a thin piece of paper in front of fan. If paper “sticks” to fan air blowing in. If paper is “pushed” back by fan, air blowing out
Brilliant :-)
🤯
Tf ....
Genius
Which one is better? 😐
I have negative air pressure in my case and it, surprisingly, is the setup that has given me the best temps. 9 exhaust fans on three radiators with one intake on the back in the lian li 011 xl.
the main point is less dust. You might get better temps but dirtier case.
@@johnsnow1749 then learn how to clean, I also use negative air pressure for better temps. I dont go as far as op though I use 3 intake and 4 exhaust.
@@Nib_Nob-t7x you underestimate my laziness.
push or pull on rads?
@@Nib_Nob-t7x push or pull on rads?
I thought I had set my fans up wrong but it turns out that they're actually in the right way. Mission failed successfully.
underrated comment
haha funny 😐
This video helped me finally understand why positive pressure is better!! Thank you LTT
But it’s not, for cooling at least it’s not better.
@@UseWallow yeah not that hard to keep your pc clean if you aint a lazy fat discord mod lmfao
@@me6057 woke up and chose violence
I wish fan companies had rgb fans that also spun in the opposite direction so that all the fans would look pretty
There is at least one that does that for that reason. They only perform OK though but if RGB is what you're after
..
Lian li's infinity fans have a reverse blade design.
@@profosist montech king pro 95 comes with 3 reverse flow fans WINK Wink
@@MTBFreeks yeah I think thermaltake sell some you can swap too.
Cliffhangwr like it was a Chainsawman episode.
That last episode tho
@@1.0xY.m0r0n dude got lucky
@@revemb4653 he didn't
This is literally perfect timing i just got my pc fans from Amazon
me too i did 4 days ago omg they are watching
Me using a window fan next to my PC
average gopnik setup
The one with the big fan, or the one with the two tiny ones that do little but make noise?
@@user2C47 big boi lots of noise fan is bigger than my pc
Well if its stupid, but it works
Then its not stupid
@@SubparLiberatorpractical is the word you're looking for. But fuck it, if it works it works
The positive pressure comment is genius; thanks for that insight!
I've got better advise: make a riser for your case, so it is not on the floor or on your desk sucking up dust at all
it can’t get dust while on a riser? what would the difference be between a rose and my desk
@@NdEfOrYdOdKfI a rose ? It can and it will suck up dust, just greatly less
@@janrozema7650 what makes a riser better then my desk
@@NdEfOrYdOdKfI it can suck up the dust that lands around the pc. You kick this dust up with your feet or when it is on your desk with your hands or moving a stack if papiers for example.
Over time this builds up.
If it is raised up, it will be further away from the surface on with the dust lands and so it will suck up less when dust is blown up into the air.
I made a very simple wooden frame wich is open on the underside. After years of standing on the ground in a very dusty invironment it was relativly dust free.
I checked after a couple of year and decided not to bother at all and closed it back up again.
Sadly in a cigarette smoking and animal hair environment the dust is the very least of my issues. Only once were my filters truly filled with dust, and I had gone a long time without removing them that time. The nicotine and cat hair is what gets ya.
Very quick but very informative video, a lot of information condensed under just one minute, well done
If your pc tower comes with a dust filter i think it's good to have a slight negative pressure cuz it's always good that all the hot air is taken out of the tower and allows more cold air to get sucked in
The main reason for not having negative air pressure is only related to air cooling and doesn't really apply to water cooling. Negative pressure means less air molecules in the case to transfer the heat energy into. Somewhat less importantly, but more impactful over time, negative air pressure causes more dust to accumulate on the inside of the case.
"Negative pressure means less air molecules in the case" 👋
an actually useful short. thanks for the info
PC fans and room fans spin the same direction in reference to airflow. If the air is coming towards you the blades spin clockwise. If they air is blowing away from you the fins are spinning counter clockwise.
Negative air pressure is much better for flow/turbulence, getting way better temps, you just have to keep your desk clean and do some maintenence every few months.
Honestly, there's going to be just as much dust regardless of positive or negative pressure...which is kind of a dumb distinction to make on a pc case with a bajillion holes in it anyway...I miss the old LTT.
@@halomaster985 u sure about it?
@@rodrigoferreiramaciel4815 If you have a DECENT PC case made in the last 10 years, you probably have dust filters built into the case, or have removable filters. Those filters are only going to allow so much dust/air in, unless of course, you never clean them.
@@MaxIronsThird I have my computer on the ground. My desk is too small to fit my two monitors, speakers, and computer case. :/
actually negative airflow is generally better for temps but can pull dust in from any opening in your pc case
I like to imagine James is reading these comments and laughing like dr evil right now 😆
I really think you guys need to go back and review this... When holding the PC fan up to the 'household' fan, you're holding the PC fan backwards. You state a moment later that the 'nice' side is the intake side which is the side you had facing the camera in that shot. So if you properly put the PC fans intake towards the household you'd see it's actually spinning clockwise as well.
Otherwise? Finish your sentence!
Your fans are louder and die faster
Peter Parker can fragment whatever sentence he wants.
@@williwonti well louder yes but die faster does it matter? I've had fans running at full speed for 8 years they're probably ready to die but they still work. Four of them are currently cooling my GPU via radiator at 36°C idle for 8 years.
Fans do not die lol...I had mine for 10 years at full speed everyday
@@Igmus agreed. Fans rarely die. I've had the ones on my Nzxt cooler for 4+ years and the ones in my case are also about 6-7 years old running at full speed and they still go to their hearts content
I never thought about the dust getting pulled in with negative pressure in the case. Good tip!
I removed all my filters and have negative pressure with all fans maxed out. I also love cleaning my pc
Good short vid! I prefer negative pressure with dust filters though. Almost no dust at all and certainly less than no filters + positive pressure. Also the negative pressure with exhausts at the top help the chimney-effect so you can run very low rpm with air coolers!
I've tested this with 1 exhaust fan at the top/rear against 3 intake fans at the front. Taking the front fans out made the temps raise about 5°C (70 to 75), while taking the rear fan out showed 83°C.
But for idle desktop stuff, I stop the rear and top fans but keep the 3 front fans at 350 rpm to only have the negative pressure + chimney-effect under load.
OTHERWISE WHAT! I have no idea what could happen!
Probably was want to loop so it's "otherwise are you really installing your PC fans properly?"
@@b2mark914 what? no...
only thing that affects fans lifespan is the orientation and bearing design. Some bearings fail faster if mounter vertically.
Fans rarely spin at full speed and most are designed with low RPM limits anyway.
Examle: 120mm fans usually have 1200rpm limit and can run at 100% for years. If the RPM is 2000 or more then yes you'll need to adjust the fan curve but mostly to keep it quiet since 2000rpm 120mm fans would be loud.
i prefer slightly negative air flow. makes sure all the excess heat is pulled quicker. slightly positive air flow will hold the heat in more. slightly positive airflow will give slightly more heat diffusion, but it'll be more temperamental as there will be more hot pockets.
I normally can’t hear my fans at full tilt from their home under the desk. Only when nothing is playing through my headphones do they come through. Unlimited power for the spin gang.
Beautifully explained, now walk me through what I need to do exactly
It seems you either overlooked, or picked the wrong alternative, in the _'Region'_ option when ordering your household fans. Those are *_Australia_*_ spec_ fans.
The default curves on motherboards are fine. Its just a linear flop rate relationship. There are pros and cons to each curve style depending on what you want, but most people won't notice or care for those from the linear line.
"Are you installing your fans properly?"
No, no I'm not. Because I bought my pc prebuilt
Why u here bro go to your tree house
Precisely. But did the people who built your PC install everything optimally? Why not open it up and make some adjustments?
Positive pressure is a good suggestion. I've found a 3x ratio of filtered intakes to unfiltered output makes a decent positive pressure curve, maintains all the clean case advantages, and you only ever need to clean the filters. You should be able to feel a very gentle air current from gaps in your case. It doesn't need to be like forceful at all, just a gentle breeze is enough.
Bonus points if you set the inner case airflow path to not even require a fan on the cpu heatsink.
That typically requires closing the case off very well, though, like rubber seals on everything, and running maybe a 4x ratio to really get the flow going.
Also case fans can be run much slower than the heatsink fan can be. Case fans are typically what you hear anyway.
NEVER! I will negative pressure my case and love it.
I literally ordered my pc parts a couple of hours ago and needed exactly this.
Is 3 intake 1 exhaust (4000d) good?
@@sharifatassi yes
@@sharifatassi honestly if you want to know if they should be intake or exhaust you'll need to look for somebody that specifically tested that case (it's popular so I'm sure there is) This is because while negative pressure will increase the dirt in your case it does sometimes perform better. Also optimal fan placement is important.
@@sharifatassi please tell me you didn’t buy noctua fans
@@Nick-00001 nope I got more of the same that were included with the case, corsair
Some older fans made by superred are standard fans but they blow the opposite direction
a real tech tips btw
Is it ok to have 2 140mm intake fans in front,
2 140mm exhaust fans on top
and 1 120mm exhaust in the back?
Living in a simulation.......i swear lol...hours ago I looked up this information to make sure my gfs new case and fans would get the best way to set them up....
that's called cookies.
Are you really thinking it is a coincidence?
@@magamednohchi yes but this video had just came out the same day
@@jelly.1899 Only because they had released this video the same day I'd looked it up.
They don't actually spin counter clockwise. They spin in the same direction as a normal fan based on the direction of airflow. It just depends on which side you call the "front".
didnt you bust the pressure myth yourself years ago? also, some cases like NZXT H500/510 performs better with negative pressure.
Yeah it makes almost no difference in terms of cooling but it will be less dusty inside if you have positive pressure
I finally understand air preasure within a pc case system thank you
I always prefer a slightly negative pressure for the best cooling at higher temps, but it really depends on your fan positioning... an exhaust next to huge openings with negative pressure would just recycle the hot air. There is no ideal scenario regarding pressure, the important thing is to know how your case works
I can't believe I didn't know there are arrows on my fans 😭😭 I spent so much time carefully deducting which side the fans blows, thank youuuu
"are your fans installed correctly" no i used zip ties
Every fan spins counter clockwise, the only thing that differs is if you're measuring from the front or behind the fan.
This content really should be in your OnlyFans account! 😁👍
What do you mean? 🤔
Oh my God I finally got the joke 2 days later
It's crazy I was literally installing my fans for the first time when I opened youtube and this showed up on my feed. Great time lmao
I've always built mine with exhaust pressure in mind, but I always tape off all the tiny holes mentioned here, even the vents in the rear. Only real issue I have is dust collecting around the small holes in the I/O shield around the ports, quick hit of duster makes quick work of it tho (wasn't an issue when I started building 20 years ago). Sometimes I miss the days when heat wasn't really a concern, a single 80mm fan out the rear + PSU fan was sometimes more than you needed
You're the only person I've seen that has recommended positive airflow. Everyone else recommends neutral airflow
which is great... except the arrangement of fan mounts and filters on my case means two intake fans in the front, to exhaust fans in the top, one exhaust fan in the rear, plus PSU fan intaking from the bottom and exhausting to the rear, is the only viable configuration. Rear fan has no filter, top fans and directly above the CPU radiator, top, bottom, and front are well filtered.
On the up side, unlike it's predecesor, this one isn't on the floor!
You realize that depending on where you live that you have to change what direction your fan rotates based on season (to either pull hot air up in summer or cold air up in the winter)
you understand it's the same, right?...........................................................................................................................................................................................................................................................................................................................................................................................right?
Slightly positive pressure is wrong, cause you never account for turbulence. On the other hand slightly negative is better cause heat tends to rise up and escape quickly due to the configuration. The tradeoff is that the pc needs cleaning more often
still spew misinformation? more exhaust is better, basically actually don't need intake unless you intend to fan/blow components directly. More Exhaust is also better for dust control as evidenced by 1 year dust testing of Linus and Luke.
"SLIGHTLY higher intake pressure" - you never want to have more than that. Temperaturewise you want a slight underpressure, ignoring the dust problem.
Reasoning behind that: cold/fresh air can come into the case anywhere, warm/used air tries to go out almost always on the top.
For me it is 3x front in and 3x top out and 1x back out, could add another bottom in but have no filter there.
I really like how the top intakes are right next to the top exhaust, making 3 of the fans essentially useless. Maybe some educational TikToks on actual air flow would be helpful instead of super basic “6-4=2=good setup”
I'm a big fan of this channel! good content!
positive pressure good in pc application. Negative pressure is usually the way to expel gases from internal combustion engines
My molex fan: "yeah, sure. set the damn fan curves"
2 front 140mm intake fans,3 120mm exhaust what do you guys think?
What if it’s neutral pressure? Like u have 3 exhaust and 3 intake. Would u still want positive pressure? Like more intake.
However, if you only have one case fan it should be exhaust because it will naturally bring cool air in anyway while dispensing hot air more effectively than a single intake. The lack of hot air buildup around your components is what keeps them cool.
There can be benefit to negative pressure as well, in some cases (h510 comes to mind) the main place it’s going to pull in air is through the PCIE slots which is going to give your GPU plenty of fresh cool air.
One of the few times that the auto replay feature of these shorts added any value.
Opti actually reccomends for small itx builds negative pressure to actually encourage air through mesh and stuff
Now this is truly a tech tip
i love me some jet engine sounds, make me feel like im really flying in my flight sims.
Yes I really am installing them properly. Thanks for asking.
The arrows really help.
I have 3 exhaust (back and top x2) and 5 intake (front x3 and bottom x2). Works great for my MSI Codex R 110 case.
This is the first time ever I hear someone recomment positive pressure
Information level: Expert
He says there is supposed to be more intake than exhaust, then shows 3 intake fans vs. 4 exhaust fans. TF??? 🤔
Can you count ? There’s 6 intake vs 4 exhaust
Thanks i needed this
All intake, only the backside of the case open. Use high static pressure fans and try to fit a few in between (You can also place them near the backside to create a pressure outside which helps refresh the air inside with all the positive pressure).
Problem with having a case that allows for 2 intake at the front, 2 exhaust fans in the top, and one exhaust in the back, is you need to run the exhaust at a low fan speed and have your front intake fans at a high speed, creating positive air pressure
Am I the only one who likes going in HW info and cranking the fans to full speed so I can hear the computer becoming an airplane??
Positive air pressure creates other problems like turbulence if it has nowhere to go. You should be equalising the pressure!
Turbulence is inherent to PC fans. It's not something that would be a problem inside a PC case.
What is a problem is the air actually not having anywhere to go in certain parts of the case (commonly under the GPU) and ending up being cycled over and over by the internal fans. This is a case design problem though as it's usually caused by parts of the case being effectively compartmentalized due to insufficient intake and space.
All you really need to do is look at the Fractal Torrent. It has insane amount of positive pressure, doesn't even come with an exhaust fan, and it tops all charts in terms of cooling performance. And most of that advantage comes from not having a PSU blocking the GPU intake and having a very open rear.
Good video!
Thanks!
Is equal pressure good?
Every other source claims that negative pressure improves temperatures oposed to positive pressure. The dust problem is still a valid point.
Would not negative pressure suck in air because it need to pull in air intro the "vacum"
I had no idea I spin counter-clockwise
Negative pressure is good in itx small form factor pcs, sucking heat away from the gpu and forcing more air in through the side panel, helping get even more air to the gpu
Just ordered a bunch of Noctua fans for my new build.. 4 intake and three exhaust
3 intake and 6 exhaust for me 🫠 2 of them (on the AIO) were installed backwards and i've been too lazy to balance it back out 😅. luckily the o11d mini and the parts inside havent had any issues with it yet, but when i move i'm probably gonna get back in there and flip em the right way
3 bottom intake, 2 radiator side exhaust, 3 top exhaust, 1 rear exhaust. Is that right?
@@nandarisya4255 thats... exactly right 👀
what's your specs and how the temps goes?
@@nandarisya4255 5800x (usually caps at 60°-62°)
3080 ti FE (highest i've seen is 82°, but most games it sits at 78°-80°)
this is with the fans silent/quiet, when i turn up the case fans i usually drop a couple degrees on the GPU (i only do this if the gpu fans have already ramped up because the case fans are still quieter)
OMG I built my pc when I was 12 in a Corsair 5000d and arranged my fans exactly like this, using my common sense, and logic.
U want some internet points?
Ah dang, I technically have negative pressure as I only have 1 intake but 2 exhaust. I also haven't put my side panels on in months though...
Those fans are almost useless if you have a completely open PC
idk, I prefer more negative pressure, that way im still getting cool intake while exhuasting that hot air more efficiently
I do only negative pressure (=suction?) because cavitation is so awesome when gaming. ;)
i used to run positive preasure in my 011 air(5 in 3 out). But i wasn’t satisfied with my gpu temps (it was hitting 95c junctions temp on my 5700xt.)
Switched the top 3 fans to exhaust with the only intake fans being the 2 bottom ones, and dropped 15c on the gpu junction temp. Sure it gets alittle dusty. But nothing some compressed air cant fix.
Your issue was you were pulling air through the top lol
@@jamesbinnie8765 i know
@@kapler8550 guess you cant fry eggs on that 5700 anymore
@@jamesbinnie8765 nope LOL, sad day
yeah but negative pressure where u have all intakes filtered is actually way wawy way ywe better. like grow room level cleanliness etc etc etc
Is his fan setup really practical? Wont it create a swirl instead for flowing air efficiently?
Im pretty sure all my fans spin clockwise
i didnt even know that household fans spun a specific way
My case has neutral air pressure since it has two intakes and two exhausts. I could tune the fans to make sure there's a little positive pressure, but I prioritize quiet operation, and my case gets dusty VERY slowly. Like, I didn't clean it in over 3 years and it still looked really nice and not gross at all, even with rgb all over it.
ML120s (non-rgb) are excellent quiet fans, unless you forget to set the fan curve and they spin at MACH JESUS.