Allowing you to connect an additional PSU to your ATX motherboard; Both PSU will be powered up by one single motherboard.Use a second PSU to power multiple graphics cards; Compatible with 24 pin and 20 pin ATX motherboards (1x 24 pin(20+4) male port and 2x 24 pin female ports); Designed for intense Gamining and BitCoin Mining; Material: 18AWG. Length: main cable 12inches + secondary cable 12inches (30cm+30cm);