So, you decided to build your very own rig from scratch and things are advancing pretty well.
Getting the fan orientation right is crucial if you want to avoid overheating issues or other hardware problems.
So, lets see how you’re able to determine your fans airflow direction.
Contents
How Do I Know If My Fan Is Intake or Exhaust?
Thats where cool air is taken in and directed to your computers internal hardware components.
They usually look like X-shaped brackets.
Most fans will be blowing air out away from that side.
venture to associate X-shaped with the exhaust side.
You should also see some power wires entering the motor.
Locate the Directional Arrows
Additionally, most fans also have two directional arrows on the fan housing.
Inspect the outside rim of the fan and you should find the two arrows there.
There should also be a down arrow that shows the direction the blades rotate when powered on.
Nothing can beat that test.
The side with the exposed blades is the intake side.
But if you want to be 100 percent sure, check the manufacturers support webpage for more information.
Or check the user manual that came with your fan.
Should I Go For Positive or Negative Fan Pressure?
Conclusion
Most computer fans flow front-to-back (), and spin counter-clockwise.
The crossbars and the wires are usually located on the back of the fan (the exhaust side).
We hope things are clearer now.
