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Noctua
noctua.at › en › support › faqs › how-do-i-optimise-my-fan-settings
FAQ: How do I optimise my fan settings? | Noctua
Therefore, for use in a PC, we ... want to further optimise your fans’ sound and performance, we recommend setting a manual fan curve in the BIOS after ......
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Tom's Hardware Forum
forums.tomshardware.com › home › cooling
Question - Can anyone please help me to set my fan speed settings correctly ? | Tom's Hardware Forum
March 14, 2025 - The small fan on top of the pump should always run, I believe. The rad fan speeds will change as workload changes. MAYBE that fan might not run when the system is quite cool when idling right after a new start-up. In BIOS Setup this CPU1 header should be set to PWM Mode.
Discussions

Do you guys manually set your fan speeds in BIOS?
Consider using FanControl from github. One of the (if not the) best fan softwares out there. Works like a charm and it's free without ads. More on reddit.com
🌐 r/Phanteks
13
10
January 31, 2022
Anyone recommend me the best setting for the fans?
I have a fan hub but for some reason, if I set my motherboard to quiet, it acts as though one fan isn't there. But when I set it to other settings, it acts as all the fans are there somehow atleast from the BIOS menu Anyways the point is that I would like a fixed setting so that the front fans... More on forums.tomshardware.com
🌐 forums.tomshardware.com
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0
April 12, 2022
Fan curve in the BIOS
I set the fans to approx. 25% up to 75°C. Then first flat, then steeply rising to 100°C. The pump runs at 30% before the curve rises. This is completely sufficient to cool the 7800X3D well and everything remains pleasantly quiet. Here is a screenshot from the MSI Center. However, I set it up like this in the BIOS: More on reddit.com
🌐 r/PCBaumeister
11
1
January 23, 2025
[PSA] Sick of your fans going crazy? Fix it the right way.
If you have a good aio or custom loop you can even dial in a longer delay if you want since water takes a bit of time to heat up If you have water cooling, you should be running your fans based on the coolant temperature, not CPU temp. Ideally, you would also run air cooling based on the temp of the heatpipes, but that's kinda hard to achieve. More on reddit.com
🌐 r/Amd
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July 17, 2019
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LinkedIn
linkedin.com › pulse › how-optimize-your-pcs-pumpfan-curve-bios-fluixcooling
How to optimize your PC's pump/fan curve in the BIOS
February 12, 2022 - We recommend a 1:1.3 ratio for your fan curves, that means if your CPU is at 40C, multiply by 1.3 times to get 52-53% for your fan speed. This way you get a good balance between performance and noise level.
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Wikihow
wikihow.com › computers and electronics › computers › computer hardware › 3 ways to change fan settings if bios' power options are hidden
3 Ways to Change Fan Settings if Bios' Power Options Are Hidden
June 7, 2025 - There are three ways you can change the fan settings of a PC. Sometimes you can change the fan settings in the BIOS or using an app on your computer. You can also purchase a fan controller and install it on your PC.
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SysAdminSage
sysadminsage.com › home › blog › how to change pc fan speed (bios, software & hardware)
How to Change PC Fan Speed (BIOS, Software & Hardware) - SysAdminSage
1 week ago - The star of the show here is the “User Scenario” and “Smart Fan” settings. Imagine having a “Gaming Mode” button that automatically ramps up the cooling the second you start a heavy task, then switches back to a “Silent Mode” when you’re just typing a document. That’s exactly what MSI Center does. It removes the guesswork by providing pre-optimized profiles that are tailored to the specific hardware you’ve installed.
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Reddit
reddit.com › r/phanteks › do you guys manually set your fan speeds in bios?
Do you guys manually set your fan speeds in BIOS? : r/Phanteks
January 31, 2022 - Some brands allow you to set up the fan speed according to liquid temperature in their software, this is the best option if available. Also, if you can change the pump speed, having an high enough pump speed can dramatically lower CPU temps and fan speed. Setting up the fans through BIOS to your CPU temperature also works, but the CPU temperature might change a lot very rapidly.
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Eu
fantech.eu.org › home › bios › gaming-performance › overclocking › pc-optimization
Optimize BIOS Settings for High Performance: A Complete Guide - Fan Tech
3 weeks ago - For example, you can instruct your case and CPU fans to ramp up aggressively once the temperature hits 65°C. This proactive cooling keeps temperatures low before they ever reach the throttling threshold. Managing the airflow and fan speeds is just as important as managing the voltage of the silicon itself. Optimizing your BIOS ...
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MAINGEAR Support
help.maingear.com › maingear support › knowledge base › how to set recommended fan curves (msi)
How to set recommended fan curves (MSI) - MAINGEAR Support
April 20, 2026 - All System Fans Fan Control: Auto/PWM Fan Step Up: 0.7 seconds Fan Step Down: 0.2 seconds Point 1 Temp: 30°C Point 1 %: 25% (Adjust this to 35% if your fans are Phanteks fans or not spinning periodically) Point 2 Temp: 50°C Point 2 %: 30% (Set to 40% if phanteks) Point 3 Temp: 70°C Point 3 %: 40% (Set to 50% if phanteks) Point 4 Temp: 80°C Point 4 %: 50% (Set to 60% if phanteks) Do not change any other settings
Find elsewhere
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XDA Developers
xda-developers.com › home › other hardware › 5 hidden fan-curve tricks in modern uefi bios you probably missed
5 hidden fan-curve tricks in modern UEFI BIOS you probably missed
May 25, 2025 - Pulse width modulation enables finer control over how much power is supplied to the fan and how fast the motor spins at any given time. Most UEFI BIOS solutions for motherboards will allow you to take this a step further and fine-tune default fan curves, letting you set how fast each fan spins at for various temperature readings.
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Tom's Hardware Forum
forums.tomshardware.com › home › cooling
[SOLVED] - Anyone recommend me the best setting for the fans? | Tom's Hardware Forum
April 12, 2022 - If BIOS lets you adjust speed curves, It's best to set straight line from temps at idle to few degrees before highest allowed temps. ... You have 2 different fans, are they tied together ? Are they both 3 or 4 pin ? Are they set in BIOS to Voltage or PWM control ?
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XDA Developers
xda-developers.com › home › other hardware › 5 reasons why you should set custom fan curves in bios
5 reasons why you should set custom fan curves in BIOS
March 20, 2025 - These are known as fan curves as the higher the temperature of your PC or specific component, the faster the cooling will work to keep them within optimal ranges. While you could install some software for macOS, Linux, or Windows to alter these settings and override your motherboard, I recommend making changes to the UEFI BIOS ...
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XDA Developers
xda-developers.com › home › other hardware › 4 bios settings you're probably ignoring that could boost your performance
4 BIOS settings you're probably ignoring that could boost your performance
February 22, 2026 - To do that, look for the fan control section within the BIOS. Select from one of the available presets like Optimized, Cool, or Ultra Performance, or set it up manually. When you opt for manual configuration, you can set a custom fan speed for ...
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Reddit
reddit.com › r/pcbaumeister › fan curve in the bios
r/PCBaumeister on Reddit: Fan curve in the BIOS
January 23, 2025 -

Hi everyone, I've finished building my PC, it's running, and Windows 11 is installed.

Now the 9 fans are running at full speed, it's loud, the plants in the room are waving their leaves and I'll be cold shortly 😂.

I've already experimented a bit in the MSI BIOS. Fan curve etc. But honestly, I don't really know what's important. I have a 7800x3d and a Liquid Freezer III water cooling. 3 fans blow into the case and the rest out.

Can someone give me some tips or explain it for "dummies"? I've never done anything like this before.

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TechBloat
techbloat.com › home › how to set fan curve in bios [optimize noise & thermals]
How to Set Fan Curve in BIOS [Optimize Noise & Thermals] - TechBloat
October 11, 2025 - Allow fans to ramp up during gaming or stress testing. If you’re overclocking, set the curve to be more aggressive to maintain safe temperatures. Consider higher minimum speeds or steeper ramps. Some BIOSes include a calibration process that helps the motherboard learn the optimal behavior of your fans.
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Chron.com
smallbusiness.chron.com › turn-up-fan-speed-computer-53039.html
How to Turn Up the Fan Speed on a Computer | Small Business - Chron.com
November 21, 2017 - Use the arrow keys on your keyboard ... (this will also vary slightly by manufacturer). Select the "Fan Speed Control" option from the submenu to open the fan controls....
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Eu
fantech.eu.org › home › bios › budget-gaming › hardware-tuning › pc-optimization
Optimize BIOS Settings for Better Budget PC Performance - Fan Tech
3 weeks ago - While they save power, they can ... in certain budget-tier motherboards. If you experience random system freezes during idle periods, disabling C-States might provide a solution. Conversely, if you are looking to keep your power bill down and your system running cool, keeping these enabled is the way to go. The biggest mistake users make when optimizing BIOS settings is changing too many things at once. If you enable XMP, change the fan curves, and ...
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Reddit
reddit.com › r/amd › [psa] sick of your fans going crazy? fix it the right way.
r/Amd on Reddit: [PSA] Sick of your fans going crazy? Fix it the right way.
July 17, 2019 -

Search for fan smoothing in your bios and set a delay of 3.8 seconds (or whatever works for you) then use the default fan profiles. This makes it so that your fans don't constantly ramp up and down from the normal temperature fluctuations during idle and you don't get the sudden fast ramp up when your cpu is under load which is just as irritating when using a custom fan curve to try and solve this issue.

Example pics are from an Asus bios but every motherboard has this option, you may have dig around for it or use the search function to find it.

Pic 1 - fan smoothing

Pic 2 - fan profiles

Don't worry, having this delay will not harm your cpu or cause it to thermally throttle or any other bad thing you may think of. The temperature fluctuations that happen during idle are so quick that your fans have zero effect on them (as mentioned in another post) and by putting in a delay you'll get a smooth and steady fan ramp up when your cpu is under load.

If you have a good aio or custom loop you can even dial in a longer delay if you want since water takes a bit of time to heat up

Edit: It's been a while since I posted this but I thought I'd update it anyways for anyone who stumbles onto this thread looking to fix their fan issues. If your bios fan controls are not robust enough for your needs I recently came across a fantastic speedfan replacement that's free and easy to use, grab it here.

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Ten Forums
tenforums.com › performance-maintenance › 171859-how-would-you-tweak-bios-reduce-fan-speed.html
How would you TWEAK this Bios to reduce fan speed? - Windows 10 Help Forums
January 7, 2021 - Greetings, Me and Mini PCs and fan noise. Yikes. I might stick my new Mini in a college dorm fridge so I never hear it. lol It's a Ryzen 5 3550H Mini... which Speedfan can't see. However there are BIOS possibilities. I found this -- I've gathered if I toggle the white part to 'software' I can then use those 5 choices below.
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SoftwareKeep
softwarekeep.com › help-center › control-fan-speed-on-windows
How To Control Fan Speed on Windows Computers
December 20, 2024 - To keep your Windows computer running well, you need to control the speed of your fan. You can do this using special settings in the BIOS (Basic Input/Output System). If your fans use PWM (Pulse Width Modulation), they can be controlled with BIOS which will help manage noise and heat levels in your computer.