A Perfect Match for Dual CPU: Includes 2x8Pin(4+4) EPS power cable for Two-way performance to deliver extreme performance with 2-way overclocking power supply. Purchase this psu extension cable kit if you are installing a dual CPU series motherboard More Pcie Cable: The Pro Psu Extension Cable Kit includes 3 x 8 to 6+2 Pin PCI-E Cable, work with your power supplys existing PCI-e cables, ideal for 30 or 40 series GPUs