Description: port is CPU 8 Pin for plugging into a modular power supply and another port is dual PCI-E 8 Pin (6P+2P) for connnecting to video cards.PCI Express power splitter cable (8 pin to dual 8 pin) lets you connect a single (standard) 6pin PCI Express power connection provided by the computer power supply to two nVidia SLI or ATI CrossfireX video cards that require a 6-pin power connection.A cost-saving solution, this PCIe 8 pin to dual 8 pin power cable eliminates the expense of upgrading a computer power supply for the sake of compatibility with dual video card systems.Specification:Item Type: CPU 8 Pin To Double PCI-E 8 Pin Splitter Cable Material: Plastic + MetalColor: Black+Yellow Cable length: 25cm/9.84" (Approx.) 18AWG Wire Connector A: CPU 8 Pin female Connector B: Double PCI-E 8 Pin (6P+2P) malePackage Includes:1x Graphics Extension Cable