Generally, you want the case fans in front of the case drawing in air while the fans at the rear blow air out. If your case has vents at the top, they should be placed as exhaust fans because hot air will rise. Side-mounted fans should be used for intake, though they often don’t have air filters.

Should Bottom PC fans be intake or exhaust?

floor mounted case fan should always be intake, as it draws in cool air from the bottom underneath the case and blows it upward toward your exhaust fans on top. a well positioned fan on the bottom should lower your GPU temperatures significantly, but won’t do much for your CPU.

Which way should my CPU fan face?

What Direction Should The Heatsink Fan Face? Your heatsink fan should face the direction opposite of your CPU. In other words, you have to make sure the front of your CPU fan is facing the back of the heatsink. This is because it is pushing cooler air between the blades and out the back.

How do I balance my computer fans?

Quote from video: Getting that information is pretty easy on most fans you'll have arrows on the outer rim of the fan indicating. The direction or move air if for some reason those are not on your fans.

How should I set up my PC fans in BIOS?

System fan control settings in BIOS can be changed to meet the needs of your system usage model.



Follow these steps to view or change system fan control settings:

  1. Press F2 during start to enter BIOS Setup.
  2. Select Cooling.
  3. Fan settings are shown in the CPU Fan Header pane.
  4. Press F10 to exit BIOS Setup.


Should my top fans be exhaust or intake?

If your case has vents at the top, they should be placed as exhaust fans because hot air will rise. Side-mounted fans should be used for intake, though they often don’t have air filters. To prevent dust issues, you can custom fabricate your own filters.

How many intake and exhaust fans should I have?

At the minimum, two case fans are needed for optimal cooling, and ideally three. An exhaust fan should be placed on the back panel, while an intake fan should be placed on the front panel. It is important to have two to three fans for the best performance, as a single exhaust fan can be damaging to the CPU.

Are GPU fans intake or exhaust?

GPU fans act as an intake which is pulling air in and blowing out of the rear ventilation holes. If you have fans mounted at bottom or in front then they generally should be acting as intake to bring cool air into the case.

Is 80 Celsius too hot for GPU?

Let’s start with the first part: is 80C really too hot for a GPU? According to manufacturer specs from AMD and Nvidia, the answer is generally no—in the past, we’ve seen GPUs even rated to run as hot as 92C.

Where should I put GPU fan?

Quote from the video:
Quote from video: You'll need to place the fan upside. Down. So they can pull cooler air towards the top of the case. And flow right over your gpu to install the fence.

How much airflow does a PC need?

For most mid-tower cases, you will preferably want around two or three fans on the intake on the front side of your PC and one exhaust fan. If you have a larger full tower case, three intake fans at the front and one at the rear exhaust would be a good starting point.

Is 5 case fans overkill?

Low Airflow Demands – 1 to 2 Fans (1 outtake and/or 1-2 intake) Typical Airflow Demands – 3 to 5 Fans (1-2 outtake and 2-3 intake) High Airflow Demands – 6 to 8 Fans (2-3 outtake and 4-5 intake)

How do I know if my PC has good airflow?

Open your case back up. If you have dust on the major components, you have airflow. The more dust, the better the airflow.

Will more fans cool my PC?

Adding More Than 2 Case Fans



By adding another case fan, it can improve your airflow and overall temperature faster. This depends on your overall PC build and what options you have. Generally, you can have 2 case fans for intaking cool air.

Is 1 fans enough for a gaming PC?

But is 1 fan enough for a gaming PC? No. When considering adding extra fans to your computer, one will not be efficient. The minimum number of fans recommended is 2 – an intake and exhaust fan.

Do I need a CPU cooler if my case has fans?

Verdict: Both the CPU cooler and the case fans have a similar job: they are needed to prevent your system from overheating. However, they both cool down different components. The CPU cooler is responsible for controlling the heat generated by the processor whereas the case fans cool down everything else.