Do you have a 24-pin power supply but your motherboard has a 20-pin connection? This 20-pin male to 24-pin female cable adapter will do the job. Features:
Length: 6 in.
Connector: 20-pin male to 24-pin female.
Ideal for converting 24-pin ATX power supply to 20-pin Motherboard.
Extends the length of ATX motherboard power supply cable