Descriptions: This 20-to-24 pin cable converter allows you to connect a standard 20-pin ATX power supply to a 24-pin ATX motherboard power connector This 20-pin 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 20-pin compatible motherboard to a power supply with a 24-pin connector, allowing the use of a newer 24-Pin Power Supply with an older 20-Pin Motherboard.