Top 10 Sellers Computer Power Supply A computer power supply
unit (Computer PSU) is the component that supplies power to a
computer. More specifically, a power supply is typically
designed to convert 100-120 V (North America and Japan) or
220-240 V (Europe, Asia and Australia) AC power from the power
mains to usable low-voltage DC power (DC power supply) for the
internal components of the computer. Some power supplies have a
switch to change between 230 V and 115 V. Other models have
automatic sensors that switch input voltage automatically, or
are able to accept any voltage between those limits.
Manufacturers of Computer Power Supplies include: Corsair,
Thermaltake, Cooler Master, OCZ, Kingwin, Ultra, and others. The
most common computer power supplies are built to conform with
the ATX form factor, and laptop power supplies are also
available. The most recent specification of the ATX standard is
version 2.2, released in 2004. This enables different power
supplies to be interchangeable with different componen