Dual PSU Power Supply 24-Pin ATX Connector Cable: Allows 2 PSUs to power your ATX motherboard and all components. With 24-Pin and 20-Pin ATX Motherboard: The female connector on the motherboard is a 5557 24pin (20+4) at one end, 5559 24Pin at the other end, and older 20Pin motherboards can also be used. Without Upgrading Power Supply Units: Both 2 power supply units will be powered by a single motherboard. Connect a second PSU to multiple graphics cards without needing to upgrade your existing power supply unit. Easy to Use: Simply plug the 24-pin main cable connector into the female connector of your PSU, then connect the other end to the motherboard, and connect the secondary power supply to another 24PIN female connector to switch power as needed. Wide Fit: Lets you connect other PSUs to the ATX motherboard, which is highly suitable for mining rigs (like BitCoin Mining) and dual PSU gaming. It worked perfectly with. Color: Black Material: PVC Size: Approx. 30 cm Package Contents: 1 x 24-Pin Dual PSU Power Supply Extension Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the product in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.