24pin-to-20pin Adapter
If you have an 24-pin ATX power supply, but want to install it to a legacy 20-pin motherboard. Now you don't have to run out to purchase another power supply. You can just use this adapter cable to make your existing standard 24-pin ATX power supply work as a 20-pin ATX power supply.
Cable length is about 5 inches
Connect to 24-pin ATX Connector
Connect to Motherboard 20-pin Power Connector
Connect to 24-pin ATX Connector
Connect to Motherboard 20-pin Power Connector