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 ...
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 ...
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.