Electop 4-Pin Male to 8-Pin Female PCI Express Power Adapter Cable (Pack of 2) Go to amazon.com Related posts Best 4pin to 8pin FeatureConvert your power supply's 4-pin 12V connector to use with an 8-pin 12V connector4 pin male connector8 pin female connectorLength: 20cm Description4-Pin Male to 8-Pin Female PCI Express Power Cable