What Is a Good RPM for a CPU Fan?

CPU Fan

Your CPU fan is an integral a part of your PC that ensures the interior element of your PC doesn’t overheat. As it’s such a necessary a part of your PC, it is important to get it proper. Not all CPU followers are the identical; they differ in measurement and pace measured in RPM. So, what’s a good RPM for a CPU fan? 

Quick Answer

An excellent RPM for a CPU fan depends upon the scale of your fan to maintain your CPU cool whereas being quiet. The measurement must be two-thirds of the utmost pace of the fan. Hence, if in case you have a 140 mm fan, an RPM between 600 and 800 RPM is good; if in case you have an 80 mm fan, an RPM between 1250 and 1600 mm is ideal

A CPU fan may not be the costliest element on a PC construct, however it is going to assist maintain your PC at optimum temperature. So, on this article, we’ll focus on the right way to verify the RPM of your CPU fan, amongst different issues. 

Table of Contents



  1. How To Check the RPM of Your CPU Fan
    • Method #1: Using BIOS 
    • Method #2: Using a Third-Party App
  2. Does the CPU Fan Speed Matter? 
  3. Conclusion 

How To Check the RPM of Your CPU Fan

Now that you realize your CPU fan’s ultimate pace, you must verify the pace at which it operates. If you’re constructing the PC your self, once you buy the fan, you must be capable to discover the RPM of the fan within the description. However, if you happen to didn’t construct the PC, there are a few methods you possibly can verify the RPM of your CPU fan. 

Below are the 2 methods you possibly can verify the RPM of your CPU fan. 

Method #1: Using BIOS 

Basic Input/Output System (BIOS) is a built-in processor software program that helps your PC besides. The BIOS allows you to management the core {hardware} element in your motherboard. In different phrases, it’s embedded into your PC motherboard. All PCs use a BIOS in a technique or one other, even when the show will be a bit completely different. 

Here’s the right way to use the BIOS to verify the RPM of your CPU fan.

  1. Reboot your PC and enter the BIOS menu
  2. Depending on the mannequin of your PC, you possibly can repeatedly press both the F2, F10, F11, F12, or Del button whereas your PC reboot to enter the BIOS menu. 
  3. In the BIOS menu, navigate to the “Hardware Monitor” part, then discover the “Fan Control Settings”
  4. In the “Fan Control Settings”, you possibly can see the fan pace and alter the fan RPM. 

Method #2: Using a Third-Party App

Another approach to verify the RPM of your CPU fan is to make use of a third-party app resembling SpeedFan. However, it’s price noting that there are a number of such apps. Still, SpeedFan stands out because it gives useful details about a number of sensors in your motherboard, resembling temperature, voltage, and pace, all from inside your OS. Note that the SpeedFan app solely works on Microsoft PCs and makes use of a self-monitoring evaluation and studies expertise (SMART). 

Here’s the right way to use SpeedFan to verify the RPM of your CPU fan.

  1. Download the SpeedFan app in your PC from their official website
  2. Launch the app and click on on “Configure”
  3. Navigate to the “Fan” tab, and choose the “CPU fan” to view the fan pace from the choice. 
  4. You may also alter the fan pace on this part of the app. 

Does the CPU Fan Speed Matter? 

If you care concerning the well being and efficiency of your CPU, then sure, the CPU fan pace issues. While the CPU fan does a superb job at cooling your CPU, extra elements are at play in cooling down your PC. This explains why if you happen to double the CPU fan pace of your PC, your CPU temperature doesn’t drop twice as low. Similarly, if you happen to double the variety of CPU followers in your PC, it doesn’t cool twice as a lot. While doing any of each will assist to scale back the temperature, its distinction isn’t as drastic as many would count on. 

So, whereas searching for the perfect CPU fan for your PC, you also needs to take into account different elements. The radiator, warmth pipes, warmth spreader, ambient air temperature, and so on., are all accountable for cooling the CPU. Therefore, if you happen to focus all of your consideration on getting the most effective CPU fan and fail to get the most effective of different parts, you’ll run into points, particularly when performing demanding processes like gaming or mining crypto

Quick Note

Larger followers have decrease RPM than smaller followers and are extra environment friendly. Also, bigger followers are usually quieter as a result of they’ve a decrease RPM than smaller followers.

Conclusion 

When selecting a CPU fan, you must take into account the RPM of the fan in addition to the scale of the fan. Meanwhile, you shouldn’t get a fan with a excessive RPM, which implies it could use extra energy and make extra noise. Instead, relying in your PC construct, you need a medium to a giant fan with a reasonable RPM, as they are going to be extra environment friendly.

You also needs to word that whereas your CPU fan may need a sure RPM, it doesn’t imply that the fan will at all times spin at that pace. So, use the BIOS or a third-party app that fits you to regulate your fan pace when your PC is working at a particular temperature. 

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