The pciexsplit6 pci express power splitter cable 6 pin to 6 pin lets you connect a single standard 6 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 6 pin to dual 6 pin power cable eliminates the expense of upgrading a computer power supply for the sake of compatibility with dual video card systems features adds two extra pcie graphics power connector