Computer Power Supply

A computer power supply is what gives all the hardware components in your computer power (voltage and amps). Without a power supply your computer is useless. Desktop power supplies are always located in the back of the computer, either at the top or at the bottom. The more efficient placement is the bottom location as power supplies generate heat and heat always rises so it’s best to place the unit in the bottom and have a fan blow the air out.


A power supply can last anywhere from 2 to 8 years, depending on the amount of load put on the unit and the quality of the power supply. It is fairly common for desktop power supplies to stop working on consumer models so don’t be shocked if one day you can’t turn on your computer. The most common parts of a power supply to fail are the fans and capacitors. If either one of these part fail it’s time to get a new unit.

As a general, non scientific, rule the heavier the power supply the more reliable and accurate it is. So if you don’t have the time to do your research on the most reliable brands then follow that easy rule. Also, we have listed the top 3 power supply manufacturers, based on reliability, below to further help you decide.

Best Power Supply Manufacturers:

1. Enermax
2. OCZ
3. Antec

Picture – Front:

Destop Power Supply

Picture – Side:

Computer Power Supply

Picture – Back:

Power Supply

We hope this article on “Computer Power Supply” was helpful. If you have any questions or need some advice on choosing the best product then let us know. We would be happy to help answer your questions.



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