Use this BattleBorn Purple 6 Pin to 6+2 Pin PCI-E Adapter Cable Adapter Cable to convert your power supply's 6 Pin pci-e cable to an 8 pin for high video cards. Braided for durability and style this converter cable is sure to be an eye catcher in any PC. 6 Pin to 8 Pin (6+2 Pin) PCI-E PCI Express Braided Cable Cord Adapter. BattleBorn 6 Pin to 6+2 Pin PCI-E Cable (Purple)