One port is CPU 8Pin compatible with plugging into a modular power supply and another port is dual PCI-E 8Pin (6P+2P) compatible with connnecting to video cards. PCI Express power splitter cable (8-pin to dual 8-pin) lets you connect a single (standard) 8-pin 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 compatible with the sake of compatibility with dual video card systems.Item Type: CPU 8-Pin To Double PCI-E 8-Pin Splitter Cable18AWG WireConnector A: CPU 8-Pin femaleConnector B: Double PCI-E 8-Pin (6P+2P) maleColour: black + yellowMaterial: plasticSize: Length: 23cmPackage Contents:30 * CPU 8-Pin To Double PCI-E 8-Pin Splitter CableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.