With the ATX standard also came the ATX power supply (PSU), the ... known property of switching mode power supplies (SMPS) like those used in any modern computer is that they’re more efficient ...

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.

Whether you're building a new PC or upgrading an old one, a power supply is obviously one of the most vital components of all ...

The following terms are reproduced with permission from PC Power & Cooling, Inc., Carlsbad, California, a manufacturer of quality power supplies. See glossaries in this encyclopedia. Airflow rated ...