Case Fans

Written by Charles Peacock
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Modern computers have a lot off processing power, and that power requires a surprising amount of energy. Most people wouldn't realize it without looking under the hood of their PC, but a computer actually requires quite a bit of cooling to be able to function properly. Like your car, a PC can bog down and cease operating altogether if it doesn't have the right cooling systems installed and working properly.

Keeping Your PC Cool

Most PCs have to primary cooling systems: a case fan and a fan that is mounted near (or directly on) the processor itself. Since the processor generates a lot of heat, it's important to have a heat sink and fan drawing that heat away as efficiently as possible. Once that heat is pulled away from the processor and into the case itself, it's up to the case fan to move it outside of the computer completely.

Case fans can be bought separately, but they are typically installed directly into your computer's power supply. This allows the fan to cool the power supply (which also gets quite hot) while simultaneously pulling hot air out of the case. These fans are efficient and typically do enough to keep your PC cool. In the event that you have a lot of powerful internal components, however, it might be necessary to install an extra case fan.

A major concern with case fans is their noise. If you've ever wondered about the irritating "hiss" emanating from your computer, it's probably the fan that you're noticing. It is possible to find extremely efficient fans that are very quiet, although they're typically pretty expensive.

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