The ATX 4-pin power connector is a standard motherboard power connector that supplies +12 VDC to the processor's voltage regulator.
CPU Power Cable Guide: Know What You Need!
Below is the full pinout table for the standard ATX 4-pin (2×2) 12V power connector from version 2.2 of the ATX specification (PDF).
Other pinouts for ATX power connectors can be found in our list of ATX power supply pinout tables.
The male connector is a Molex 39-01-2040 connector, the female vertical connector is a Molex 39-28-1043, and the right-angle connector is a Molex 39-29-1048.
