A computer power supply converts AC into multiple DC voltages. For example, 12 volts is commonly used for drives, while 3.3v and 5v are used by the chips and other motherboard components.

A well-known property of switching mode power supplies (SMPS) like those used in any modern computer is that they’re more efficient at higher AC input voltages. Power supply efficiency at ...

[Computer Guru]’s LCD power supply went out, making it a useless pile of plastic. He used an old computer PSU to replace the defective one. After he identified the outputs on the built-in supply ...

The Power Supply Unit, or PSU, is a component of your computer that provides electricity to the rest of the components in your computer. This term was viewed 10,470 times.

Cheap computer power supplies tend to come with ... Consumers in search of a safe, modern power supply unit should look for the 80 PLUS (or 80+) certification, a universal efficiency rating ...