StarTech.com 6-Inch 20 Pin ATX Power Supply to 24 Pin Motherboard Adapter (ATX2024MF)
This 20 to 24-pin Power Supply 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.