The PC power supply has been a standard of the junk box for the last couple of decades, and will probably continue to be for the foreseeable future. A product that is often built to a very high ...

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.

Time period that a power supply's output will remain within specified limits, following power disturbances or a loss of input power. Adequate hold-up time keeps the computer running until a ...

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 ...

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.