ATX 4P FM - CPU 8P MATX 4 pin female end to plug into the power supply, CPU 8 pin male end to plug into the motherboard; ConnectorConnector A: ATX 12V P4 4 pin female, connector B: CPU 8 pin male; CompatibilityCompatible with power supplies with ATX 4 pin port;(Offering best solution to convert the old-type power supply’s ATX 4 pin 12V connector into CPU 8 pin 12V connector.) ParameterLength(including connectors): 9.5-inch(24cm)(approx), Gauge: 1007-18AWG(standard tin-coating copper wire), Rated power: 400W, Quantity: 2pcs, Self-adhesive tape*1pcs; NoteThis cable was only designed for motherboard, not GPU(Graphics Card). It will be damaged and burned once you plug it into GPU and we wont take any responsibility for wrongly using or installing. Please check the compatible types or contact us if you are not sure about it;