Startechcom pci express 6 pin power adaptorsplitter cables startechcom pciex68adap the startechcom pciex68adap pci express 6 pin to 8 pin power adaptor cable lets you connect a standard 6 pin pci express power connection provided by the computer power supply to ati and nvidia video cards that require an 8 pin power connection the pcie power adaptor eliminates the expense of upgrading a computer power supply for the sake of compatibility with a newer video card startech pciex68adap pci e