ATX PSU 24pin to 20+4pin 2 Connector Motherboard Power Supply Extension Y Cable
ATX connector: 5559 24pin. Motherboard connector: 5557 24pin (20+4). It also work on old motherboard with 20 pin. Convert ATX power (24 pin) to 2 motherboard (24 pin) power. Tinned Copper: UL1007 Wire.