This adapter cable will make any standard ATX power supply to work with your HP computer systems 24-Pin female connected to Normal ATX 24-Pin, 2-port 6-Pin PCI-E connected to an HP mainboards Material: 1007-18AWG full copper tin + green line connector Compatible with HP8380/HP8000/HP8300/HP880G1 TWR/HP600G1 Motherboard Length(approx.): 30CM Wire Gauge: UL1007 18AWG +22AWG