Connect a 24-pin compatible motherboard to a 20-pin Power Supply The ATX2024MF 20 Pin ATX Power Supply to 24 Pin Motherboard Adapter features a 20-pin male ATX connector as well as a 24-pin female ATX connector, providing a cost-effective way to connect a 24-pin compatible motherboard to a 20-pin Power Supply, eliminating the need to upgrade the power supply for the sake of motherboard compatibility. " * Eliminates the need to replace your existing 20-pin power supply * Converts your existing standard 20-pin ATX power supply to work as a 24-pin ATX power supply * Backed by Star Tech.com's lifetime warranty"