The 6-pin to 8-pin PCIe Power Adapter Cable from Startech lets you connect a standard 6-pin PCIe power connection provided by your computer power supply to newer ATI and nVIDIA video cards that require an 8-pin power connection.
The PCIe 6-pin to 8-pin power adapter cable is a cost-effective solution and eliminates the expense of upgrading a computer power supply for the sake of compatibility with a newer video card.