24-pin Motherboard Energy Connector Pinout

The pinouts for the 15-pin SATA Energy Connector, 4-pin Peripheral Energy Connector, 4-pin Floppy Drive Energy Connector, and different ATX energy provide connectors could be seen in our ATX Energy Provide Pinout Tables listing.

Extra Data on the ATX 24-Pin 12V PSU Connector

The facility provide connector can solely be plugged in whereas pointing a particular path on the motherboard. Should you look fastidiously on the following illustration, you possibly can see the pins take a novel form, one the motherboard matches in just one path.

The unique ATX customary supported a 20-pin connector with a really related pinout because the 24-pin connector however with pins 11, 12, 23, and 24 omitted. This implies the newer 24-pin energy provide is beneficial for motherboards that require extra energy, and due to this fact eliminates the necessity for ATX 12V energy provides to supply an auxiliary energy cable (though some nonetheless could).

24-Pin & 20-Pin Compatibility

The extra 4 pins are often removable (see the decrease a part of the picture above), permitting it for use on a 20-pin motherboard connection. The additional pins merely cling over the motherboard connector—they do not plug into one other slot. Some motherboards enable the reverse: to make use of the older 20-pin energy provide cable on a 24-pin motherboard connection.

If you could use a 24-pin energy provide connector on a motherboard that solely accepts a 20-pin cable, there are a variety of on-line retailers the place you should buy a 24-pin to 20-pin adapter, like this StarTech adapter from Amazon. Though the motherboard seems to just accept all 24 pins utilizing this kind of adapter, it nonetheless means the extra 4 pins go unused.