**********Used when there is a 8 pin CPU power connector on new motherboard, but the old power supply just has a 4 pin connector*****Providing a convenient solution for converting the ATX power supply's 4 pin 12V connector into a 8 pin 12V motherboard CPU power connector*****Connector A: 1 X ATX 12V P4 4 pin female, connector B: 1 X ATX 12V 8 pin male*****Note: The connector is ATX 8pin, not pci-e 8 pin. It can only be used on the motherboard. If you plugged the 8pin connector in the graphics card, it will burn*****Package include 2-pack 4-Pin female to 8-Pin male 8inch Motherboard CPU Power Adapter Cable