Startechcom pci express 6 pin power adaptorsplitter cables startechcom pciexsplit6 the startechcom pciexsplit6 pci express power splitter cable lets you connect a standard 6 pin pci express power connection provided by the computer power supply to 2 x nvidia sli or ati crossfirex video cards that require a 6 pin power connection this pcie power cable eliminates the expense of upgrading a computer power supply for the sake of compatibility with dual video cardsbacked by startechcom life