How To Adjust PC Fan RPM
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- Опубликовано: 9 фев 2025
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Adjusting PC fan RPM is an important step in the building/setup process! Let's walk through how to take care of it!
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Curious! Do you control CPU and system fan curves with your BIOS/UEFI or third-party software? If the latter, which one specifically?
I use bios for system fan curve. GPU curve is set by afterburner
I use a separate controller, an Aquacomputer Octo with Aquasuite on custom loop. the water temp sensor is attached to it so, even if Aquasuite service is terminated, the controller still works standalone in hardware mode (corsair commander pro does it too).
WAY more customizeable than iCUE i used before, and Aquasuite doesn't heat up the water like running iCUE did :). I am not aware of a more customizeable cooling controller software. It's a tinkerer's paradise, try it! :p
I control CPU and pump through the bios and the GPU over MSI AB. However I control the case fans with Argus Monitor which let's you control the fans depending on the GPU temp and it's a real game changer. When the GPU warms up the case fans ramp up in order to provide more air.
@@1051F Worth every penny spent. Tons of features and zero issues.
rog strix baby
This is why I like this channel it talks about things that most youtube tech channels assume you already know, But is extremely helpful for the new people
That's because this guy is low level knowledge himself. This is an ok channel for beginners, the other channels are for people who actually know a bit more than that. The problem with Greg is he looks down on just about everyone and thinks he knows everything. I've heard horror stories from many of the more well known tech tubers about this guy. It makes sense why non of them really pay him any attention.
That's very true. Even though I know a lot about this stuff, I still watch them. You might still learn, plus Greg is just a cool dude overall.
@@rebeccateachworth2455 low level of knowledge ...ok give me any evidance that proves that.. anything at all ..otherwise youre just trying to look like smart guy
@@BrownStain_Silver i think youve mentioned wrong person ?
@@rebeccateachworth2455 Isn't Greg a licensed engineer? I've watched quite a few of his videos (among several other channels) and have never encountered anything like what you're describing.
General rule of thumb: the first node should be the maximum speed of your fans that’s silent (for me it was 40% speed for cpu fan and 50% speed for case fans). The temperature should correspond to a temperature that is 5 degrees C higher than your room temp. For example, I have my cpu fan set at 40% from 0 to 35 degree C as first node before ramping up. The the second node should be your “usual load” fan speed. For me i set it at 70% at 60C. The final node is your emergency anti-throttling fan speed. You need to set the fans at full speed at 15 to 20 degrees below your cpu’s throttling temperature to be safe. I set it at 100% speed at 75 degree C.
Case fans generally should follow cpu fan mapping. But it’s also a good idea to set their speed up slightly higher (ramping up earlier) than your cpu fan to ensure cpu fan gets fed fresh cool air all the time.
followed your advice . and i shaved 5 celsius off my temp 😭. thanks
70% at 60C… EW 🤢
thank you sooooo much 🫶
@@Azzy_Mazzy stfu kiddo boO! 👻👻
2 years in the future and I'm adjusting my fan curve and this was the most eloquent yet simple explanation of the process I've seen. I'm on my first pc and I'm forever grateful.
It’s like you read my mind sometimes with the videos you make! Great one!
Worth mentioning if you're using 4 pin (PWM) fans, ensure PWM is selected in the top right (as seen in the video), if using 3 pin (Voltage control) fans, ensure "DC" or "Voltage" is selected in the top right toggle. If you have PWM selected and use 3 pin fans for example, it won't apply the curve.
great point. my fractal case has its own pwm power header, with room for the CPU fan and 2 other fans. right now, I only have 2 pwm fans that I used for exhaust, the others are 3 pin fans.
if i have some fans using 3 pin and others using 4 should i set each one independently from one another ? my 2 fans in front in instance are 3 pin, but the cpu cooler one and the top and rear one are 4 pin
You da man cprwhite, added an extra fan to the back and it went to the moon
What iff your connected by the aio 2 pwm fans read the auto selection as DC? the four pin adapters for the aio are not going into the motherboard or the pump, just a single three pin to the header for the cpu readings of the two in software. should this matter for controlling the fans in bios all in one (cpu thermals)?
Nice. Just made a 5600G build. I have all but the rear fan hooked to the CPU header. I want the rear fan at full power always and now I’m gonna set the curve for the rest.
I want positive pressure inside my case. 2x120mm and 2x140mm even at low rpm should still be more cfm than than 1 120 at full speed.
Thanks, Greg. You have taught me so much.
Oh man! I was totally wondering about this recently, great timing!
I can’t tell you how your videos have saved me from headaches and money. Keep doing what you’re doing. Oh yeah, move to Massachusetts lol
I use flat fan steps as a constant speed is less noticeable. The ramping up and down is more annoying more then the sound itself.
Start by moving all points to top right at 100% then drag the first/lowest temp one down to work out what pwm% = fan speed. I like 800rpm idle and 1200rpm gaming but adjust as needed.
Then set first temp marker at top end of “idle temp”, i use 45’C/800rpm so anything under 45’ is at this fixed speed of 800rpm.
Then next is gaming load area. Mine is set to 46’C to 65’C as a flat line holding at 1200rpm. Set per your system needs.
Then depending on points left you can ramp up as needed above this. But during normal gaming loads the fans should stay constant.
Then last set a warning temp and fans to 100%. I use 80’C with a little ramp up prior. You will hear this and know something isnt right temp wise and it will blast cool air in to help.
If set right your pc will be very quiet at idle and watching movies but also Cool and at a constant volume during games.
Thanks for the help! My CPU fan was running like an helicopter even after tuning it in the BIOS, but now it's way better
This actually is the FIRST video I have seen on the internet that specifically addresses this issue and IT IS SO IMPORTANT! THANK YOU for making this video! I have been on the internet since 1988 and this is the FIRST video to take about this in-depth. no joke!
Personally, I find myself to be more sensitive to changes in fan noise than the noise itself. Hearing the fan repeatedly ramp up and down is far more intrusive to me than a constant white noise. So I set my curve with only 2 points. First, I experiment to find the fastest speed in which I can run the fans before they become annoying (55% for my QL120s). I then set the BIOS to maintain this speed up to the highest temp my CPU will hit during everyday use (say the 65C I see while gaming). Then I set the fans to 100% at 80C. The "curve" is therefore whatever slope that connects these two points. This slope may seem steep, but the whole idea is that during normal use you will never hit the slope to begin with.
I'm doing this with a 360mm AIO so perhaps it won't work in a system with less headroom, but in my personal case at least, doing this ensures that outside of stress tests my fans pretty much never ramp up. Hope this helps
Same..
i recently got a amd cpu and fan speed was spiking all over the place whenever i did anything, i got pissed off really fast to the point i made the fans go at a fixed speed
Damn this is a great comment, I'm going to have a go at this and see how it goes, thanks for the insight...
@@chrisnoble7765 Glad you found it useful!
Exactly. My pc is quite noisy even at idle, but it doesn't really bother me since they pretty much never ramp up or down.
Super helpful. I installed new fans and never thought about this. It’s always so loud
Good guide Greg. There are many ways to set up fans, yours is a very simple and effective method pretty much the same as I've been doing for years.
Thanks Greg, This video is perfect, I was always curious on how to set up the most reasonable fan speed to temperature graph in the BIOS.
I got a Windows 10 pro key for 15 bucks Canadian! So glad I watched this video!
I usually select silent, then manually tweak the 100% down to about 65 degrees, because if it's getting that warm I'm either gaming, or doing something CPU intensive... I'll also put in a 2 or 3 second delay as well so it doesn't ramp them up for a small spike in temperature.
hello good sir, how did you set up a delay? is it possible to do that on GPU, i play a game that gets my GPU just warm enough to turn on the fans then turn right back off and it makes this horrible sound. is it possible to make it so if the fans come on they stay on for atleast 30 seconds or something?
@@nuknuk128 In MSI afterburner this is called Hysteresis. And you select how many degrees of temperature above your target you want the fan to stay on for.
For example my GPU has a hysteresis of 3 degrees, so when I pause a game, it will stay at the speed set for three seconds even though the GPU has already dropped in temp. I've never found a way to make this work in reverse. I also dislike the fans going from 0 to 100 very quickly, but it's probably a good idea to let the fans speed up quick so as not to overheat the die.
@@nuknuk128 I'm talking about the CPU and case fans, the delay is in the BIOS with the fan temperature settings. I don't know if all MB's offer this. As stated by John below, what you are wanting to do can most likely be done in afterburner, I know you can set your own curve which I do similarly to the CPU.
@@yonson_racing did you find the program? Want to do it too..
@@destiycs2 It's not a program, you need to look in your Motherboards BIOS and see if it's there under the fan control settings.
I use Argus monitor.
It can controll every pwm fan in regards to ANY sensor, or a combination of several sensors instantly or on an average temperature over a given time that you can define.
It's really configurable, and it is resource friendly.
It's really cheap, and you can skin it if you want to.
You can also add your own sensors and fan controllers using arduino as they provide the communication protocols, and you can interface this with nzxt, corsair ect.. controllers.
I just love it, it's the best piece of software i ever bought!
absolutely. I think Argus is so undervalued/unknown. Best thing there is.
GREG STOP STALKING MY HISTORY, LAST WEEK YOU MADE A VIDEO OF SOMETHING I JUST WAS LOOKING UP/DOING AND NOW ANOTHER ONE! YOU SCARING ME
Thank you so much! I bought an AIO thinking it would be better than normal air cooler. It was, in regards to the temperatures, but the fan curves were set too aggressively and it was too loud. I did what you explained in the video, and now it's much better. Thank you again.
Glad I could help!
you couldn't have timed this better. my fans are going crazy for some reason
This has to be the best video I have seen on fans! I have been watching u for years now and did not see this video! Glad I have now tho thankyou for ur help
Glad you enjoyed it!
Thanks a lot. It's my first time building a PC and my CPU hit temps as high as 112C. I've set my fans and CPU cooler to 100% once the CPU hits 60C and my temps are 70-80C during gaming.
It's an improvement, but still rather hot. What is your setup? You might need more cool airflow throughout the case.
I've also seen little manual fan controllers, where you can twist a nob like volume control to set the speed you want. These patch in between the fan and the board, and the nob is placed by the pcie slots.
Thank you for this video! Not enough techtubers cover this topic.
Thanks a bunch man! Gave me some confidence to start my fan speed settings adventures.
thank you. this helped my pc from sounding like a jet plane while playing games :)
Thank you very much Greg I havent notice anything however dosent hurt to wait your great at what you do so thank you again your great and amazing and hope your family and friends are well and safe I have so much respect for you and I lov u for what you do thank you very much again I appreciate for what you have contained in this video thank you ❤️ ❤️ ❤️ ❤️ ❤️ ❤️ ❤️
I very much appreciate the encouraging words!
I agree with Greg. Use BIOS settings and avoid extra software whenever possible. I tried using some ASRock software to adjust my fans from Windows, but it would often glitch out. BIOS seemed most reliable.
My voltage/DC fans will go as low as 20% duty. I'm often surprised to hear how much people discredit DC fans (some even implying DC fans have *no adjustment*), but I've never had much for issues.
DC fans have almost no torque at low speeds, so they can sometimes stop or fail to start entirely if set a bit too slow. That's why some aftermarket controllers have a "kickstart" function just for DC fans, to spin them faster at startup.
Also, using DC fans heats up the headers controllers chips a lot because they drop voltage. with PWM they stay dead cold. more chances of failure (owners of Corsair Commander pros killed by running DC fans will know about it).
love ur videos I even like ur fix or flop series, ur the only person I've come across that does pc videos.
Its amazing how u put out this video, the day I made my first PC haha great timing!!
For the aio pump it is highly recommended to leave it at 100%, as changes may have to deal with the water mass in movement and "force" on the impeller when going from a lower speed to full speed again.
This video didn't really affect me as i don't mind fans running loud but i do appreciate the in-depth analysis and instructions, so well done GS.
Step up and step down are super useful features too if you hate the constant changing in fan speeds.
This is the part I struggle to understand. What do you usually do for the step up/down?
Some people think that your fans should be running at 100% RPM all the time, but I've always thought that was silly. Like, you don't need to have your fans running at 100% RPM if you're browsing the internet or whatever. Plus, from an engineering perspective, fans are moving parts. The more strain you put on them (like running at 100% speed 24/7) is just going to shorten the life of the motor or AIO pump. Thanks for making this.
Best ever tutorial one can have our of a tech channel..... Nice work 👍
Thank you Mr.Salazar
I have used bios uefi to control fan curves. I have an air flow focused case, the cooler master nr 400. I have aftermarket fans and tower cooler. I have found that by closely matching the curve of the intake and outtake fans with the RPM curve of the tower cooler lowers the temperature of the case and CPU by 3°C I Both the case fans and the tower cooler curve adjustment are set to the CPU temperature.
This is first thing what i did with my first build.. Thank you
Good info dude!
I'm running 24/7 100% CPU doing art stuff.... so now I just keep mine at 100% ALL THE TIME! But my BeQuiet case on the desk is still quiet, and my Torrent is pushing out LOTS of air a few feet away... in fact, feeding filtered air onto the BeQuiet. And I rigged a 24" fan with a HEPA filter to blow filtered air onto my computers. LOL.
This is quality content. Thank you for explaining this
You’re editing CPU fans the entire time, not case. Great tutorial! My fans are still at 100% usage and cannot be controlled.
been looking for this
Hey Greg, If you manage to find some time, would you mind making a video on how to build a pc and set it up completely to a state where it's ready to play games and stuff.... since you're always informative and you explain everything clearly, it'd be a huge help :)
JayzTwoCents made a video regarding that, look for it
Thank u Greg u r the man
This was GREAT! It helped me a lot.
Thank you this helped so much! My pc has the exact bios so it was so easily to follow. My husband who built my computer won’t help me change the fan speed and it’s driving me nuts so I did it myself 🎉🤣
Glad I could help!
okay. lmfao. ive been searching on random frank p's channel, techsource's channel, and jayztwocent's and i couldnt find a single bit about the super duper cheap windows key, which is hysterical. ended up going to google search, and some random digital journal and buying a windows key for around 35 bucks, which isnt bad still considering the common price you seem to find pretty much anywhere else. all the while i was doing this i had this video open on a different tab i wasnt paying attention to so i could work on getting my new gaming rig fully set up and good to go. spent a solid 20 minutes searching. i didnt go to this video because i was busy searching on a different tab. all the while this video was sitting right here, yelling at my deaf-ass-self to go to this youtube tab and find what i didnt find. im lightly amused at myself. good day.
This was super helpful. I just bought a prebuilt and the case fans at the front were running at max while idle, which was super annoying.
I use the BIOS settings to keep my pc under ambient noise unless i do intensive tasks. Its set to the lowest (400)RPM all the way up until 55°C. Then it makes a jump to around a 1000RPM just by going to 60°C, because i found it never goes over 55 on daily tasks, and is always above 60 while gaming. It requires a lot of tweaking but was worth it for me. That is the ideal setting for my silence focused setup rocking a BeQuiet gold PSU & arcic P12 on case & CPU.
Didn't know about AIO pump curve idea of 100% or just under. Love the idea
I always oversize my cooling system so I can keep fans low and keep PC extremely quiet. I know it costs a bit more but I really like a quiet PC. Always try to use big fans at low speed. For example for an office PC I built, I used a darkrock4 cpu cooler on a 65Watt TDP CPU (AMD 5600g). That cooler is ridiculously oversized for that cpu. Honestly that cpu never gets more than 17 degrees Celsius above room temperature, even at full load, with fans hardly audible. Big case fans at low speed too. I enjoy the challenge of builds focused as close to silent as possible. You can use decibel meter like Spectroid (for Android phones) to help with noise measurement experiments whilst you are finding optimal settings.
Thank you very much. This video helped a lot.
Cool Video ! I have ben Into Computers(Enthusiast) for Years & ive had my own Business of Electronics Repair For as long as i can Remember & i Saw First Hand What Heat will Do ! Heat Is Electronics #1 Enemy & it will Kill Them Quicker Than Any Thing So The Cooler You Can Keep Them The Better They Will Run & The Longer They Will Last No Mater What Any One Says I
Thanks for this video helped heaps my fans where stuck at 125000 rpm for this entire year just found this video gave it ago and now it’s fixed but see the issue was I didn’t know what to search to fix it so I just typed fan tachometer high rpm fix and now it’s from 125000 to 1683
My new Corsair 4000D Airflow case come tomorrow so very nice timing on video:)
Thanks i didn't know how i should use them
Loved this content !
Literally thanks to this video I went to my software and fixed my fan that was going way to fast
I genuinely enjoy the entirety of your Channel. Can I ask one small favor please? If you reference a previous video, please link it in the description below. Please and thank you.
Much appreciated!
Very useful especially about the pump, just picked up an arctic 240, first ever CLC. I was always air, thought I'd see what all the fuss is about
Thank you easy process
Just subscribed love the channel
I already have a completely silent fan curve but I’m watching this anyway
God this video was perfectly times, thanks Greg!
Holly cow, after tweaking the fan curv i went from an airplane to complete silence 🥰
Great information Greg, I do just like that, in bios!
will it still work if i have my fans going to a controller not my mobo?
Thank you so much, brother. I couldn't play cod
Asus silent fan curve is best for sound and temps. Its better than default
If you can tolerate the sound, linear fan controls work the best for keeping temperatures down. Non-lineear fan controls in my experience tend to result in more heat under medium workloads. I set the lower bounds of the fan control around room temperature, and the upper bounds around the maximum operating temperature of the CPU or GPU, usually 90C. If you have an adequate cooler (I use a Wraith Spire), it should never hit the upper fan speed limits.
I have an old-skool mid tower case that is below my desk and I don't really have a problem with the sound of my fans ramping up steadily. My temperatures have only a gradual rise under load, too. It only has one 120mm Noctua case fan, but temperatures are well below what you'ld get in a SFF PC, though not nearly as low as a modern case.
Good tips. Helpful tip- If you run Corsair IQ, be aware that the RX fans in say, the TITAN AIO does NOT offer the TIME WARP feature that ALL my other fans (QX, LX) do. A bit annoying but overall seems to be working. ICUE is not very intuitive but I am slowing figuring it out. They make simple fan control a bit annoying and overly complicated. Only one memory and two controllers should be able to link to each other with a cable so it presents as one system (less clicks.) Corsair really needs more usability testing.
Questions:
DOES BIOS override ICUE regarding fan speeds and curves or does the Bios only control if ICUE is off? I have everything set to balanced.
What is the point of Memory Mode? I just find it annoying. Is it that the preset sticks when ICUE is off? My other, non-memory preset sticks so I don't really get the point.
Is there a way to make my Dashboard bigger? Getting old and can't see tiny fonts. It only uses 1/4 of my screen. I want FULL screen, big fonts.
Next video, you could talk about the new RTX 50 series.
Thank you
what if my trash motherboard dont have fan speed controll ?
Get a fan controller
nice recommendations
I just use a fan controller. 6 case fans set at a fixed 900rpm and allow the CPU fan to do its PWM curve job.
Never had any crazy temps or spikes.
I grabbed that same exact AIO for my 5900X the other day. It's quite good and looks decent too. Wiring it was unusual when compared to other AIO's but functional.
What temps do you run?
@@themaxee08 Low 40's at idle and somewhere around the mid 60's when gaming. I've only had it for a couple of days so haven't had the chance to stress it yet.
That's with the thermal paste that's already applied. I have a tube of thermal grizzly ultra high performance I thought of using but didn't.
@@TerraWare interesting, I get about the same temps with my kraken x73 360mm and it feels a little high for such a big cooler but maybe it’s normal.
As someone with the same hobby as Edward Kenway, my windows is already activated
thank you man my pc sound like air plane till i understand your vid
Perfect timing Greg, thanks!
As far as setting the fans in the bios to SMARTFAN mode. As far as youve got them. That'll do the trick. I've never messed with the default curves themselves.
for older ones:
enable q-fan control then turbo
before, my cpu ran at 98 degrees avg. now 93-95
This is still really bad
I notice your RUclips subscriber ticker in the background is about 10k short of what you actually have.
Thank god I found this video because I just built my first PC today and it is pretty loud
FanControl is so so great! create silent profile and gaming profile and thats it. auto detects threshhold and all that stuff
Hey Greg! I have that same Asus Bios, I wonder why the exhaust fan (chasis) is not kicking in(on) not even when I'm playing games.Does it should start as soon I turn on the PC ? I will appreciate help.
I not sure what kind of configuration I will have to make to turn it on
3:30 I like how it looks like you needed an hour and 10 mins to find the monitor tab in the bios xD
2 hours and 10 mins, still beats my personal record of 7 hours 58 mins.
Thank you : )
Hi Greg, it's me. Your father 🙋♂️🙋♂️
I use Argus Monitor. Paid software but reasonably priced and gives you so much more control over the BIOS
Same, its amazing software.
good tutorial
you can't control the GPU fan curves. Which is why I prefer using the fan control application! Very lightweight yet effective
Speaking so fast!
I also use the excellent Thermo Radar Core+ for Fan tuning
ASRock has a windows utility that I use to manage the SB Fan and system fans, while my Corsair AIO uses iCue. I try to match those up as much as possible. Will say though my system sounds like it wants to take off my desk when gaming sometimes, but thats fine as I usually have my headset on.
I just need to adjust one single fan that is at 100% but can't figure out how to change it I tried the I cue and it did nothing
I hope my problem solve with this I can't play games cause of overheating issue thanks a lot Greg
Itx Vs mATX Vs ATX Vs eatx. Which do u have? I have mATX in an ATX case, see a vertical gpu
I have an mATX in an mATX case. mATX is the best in-between that provides the cheapest cost at most times, some expandability (like the ATX) and smaller form factor as ATX and EATX.
I find 50% at 40 and 50 C to be less disturbing than incremental adjustments. My curve (MSI MB) has four settings and I'm at 100% by 70 C. It's loud but getting cooler baby! LUL! I have one non-split 140mm CPU fan and both top mounted exhaust 140mm AIO fans on system headers using PWM with the same curves. My four (4) intake fans are controlled by a button on the case.