StarTech.com 6in 20 Pin Motherboard to 24 Pin ATX Power Adapter - M/F - Power connector adapter - 20 pin ATX (F) to 24 pin ATX (M) - 6 in - for P/N: ATX2POW500HS, ATX2POW450HS, ATX2POW400HS, ATX2PW550PRO, ATX2PW500PRO, ATX2PW450PRO

Connect a newer 24-Pin Power Supply with an older 20-Pin Motherboard. The ATX2024FM 20 to 24-pin power supply adapter provides a cost-effective way to connect a 20-pin compatible motherboard to a power supply with a 24-pin connector. The adapter lets you use a newer 24-pin power supply with an older 20-pin motherboard.