Split a single pci express 6 pin power connection into two power connections the pciexsplit6 pci express power splitter cable 6 pin to dual 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 connectiona 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