The motherboard takes a full-size 24-pin ATX power link from the power supply, which handles most ... RTX 40 series cards and their special single connector handling 400W if not more.

With the ATX standard also came the ATX power supply (PSU), the standard for ... and 3.3 V rails are deleted. The 24-pin connector is replaced with a 10-pin one that carries three 12 V lines ...