As the ATX PSU standard moved from the old 1.x revisions into the current 2.x revision range, the -5V rail was removed, and the -12V rail ... at higher AC input voltages. Power supply efficiency ...

and ATX supplies have very few deviations from the norm. There is a mains rectifier and filter, a pair of high-voltage power transistors that switch the resulting DC at a few tens of kHz into a ...

compared to 17ms in ATX 3.0. This means the power supply can sustain its output within specified voltage limits for a shorter duration after a power loss. 12V-2x6 Connector: This new connector is ...