Pc Case Side Fan Intake Or Exhaust
Reverse the fan in the top of the case to make it an extractor and make the side panel an intake.
Pc case side fan intake or exhaust. Then you should have an exhaust fan there to help move the hot air out faster. The top fan is an exhaust and bottom fan is an intake. The case fans should intake on the front. And no i would keep your side fan as an intake directing air toward the graphics card in order for the graphics cards fans to ingest the cool outside air and efficiently cool the card.
Of course there s the cpu and gpu coolers as well as the psu playing into it. Different flow affects dust build up just as much as the case and house itself. 120mm side fan over the cpu intake or exaust. A single intake fan with no exhaust fan is positive pressure.
I still have good positive pressure in my case and temps are 2 to 4 degrees better than when i ran the top as exhausts. Since i have a liquid cooler they only put in one 120mm top fan because that is all that would fit. The rest of your case fans will then exhaust any circulating warm air. The power supply is probably drawing air from an aperture in the base of the case and so is isolated and not really affecting the case s airflow the arrow for that one should probably be a right angle feeding in from the bottom and turning left to point out of the back of the psu.
The side fan forces air directly onto the hottest component the video card which is then swept up by the airstream produced by the front fan and escorted out of the rear exhaust fan. You d still want an intake fan so you re getting a draft of fresh air through the pc but leaving the case side open allows the heatsinks to expel the heat outside the system by themselves. The intake exhaust direction should go front to back and bottom to top. Pets bugs and.
Generally it s best to have as few obstacles as possible between the intake fans on the front of the case and the exhaust fans on the rear and top of the case. And they put in a 140mm side fan. I would think that the number of intake fans should be more than the number of exhaust fans like you said. However at the same time keeping the side panel open exposes the pc to new problems such as an increase in dust settling on hardware.