Processor Heatsink Fan Direction

When possible direct cpu cooler output to the nearest exhaust fan.

Processor heatsink fan direction.

Ideally you want to place an exhaust fan as close to the cpu as possible to quickly expel this hot air. Every bios is different so instructions may differ from computer to computer but you need to look for a tab or screen to do with hardware monitoring. This is where the exhaust fan s will take over dragging this warmer air out of the case. Control cpu fan in the bios the easiest way to adjust cpu fan speed is through the bios.

The heat sink draws heat away from the cpu and the fan sucks the heat away from the heat sink to cool it it shouldn t blow on it that s not as efficient thermally. When a single source of airflow is divided the volume remains the same but the airspeed through each individual pathway is reduced. In the screenshot below it was listed as pc health status. Cpu heat sink fans are usually low volume suppliers of air.

The rear or exhaust side the side that the air comes out of of our fans will always be the side that houses the fan motor. Make sure the front of your cpu fan is facing into the back of the heatsink so it is pushing cooler air between the blades of the hs and out to the rear. When looking at our fans the front or intake side of the fan will always be the side that has the cooler master logo in the center of the blades. It is common sense that a cpu cooler with tower heatsink must be installed with its fan pulling air from the front of the case blowing in direction of the rear of the case.

No not all heatsinks need. A side mounted fan expelling or drawing in air in a direction perpendicular to the motherboard might be useful here but not all cases support that.