Connect the Mac Pro to accessory devices with the AUX Power Cable Kit from Belkin. This kit provides a set of common AUX power cables for graphics cards and other AUX-powered PCI Express devices that enable connection to the 6-pin and 8-pin AUX power receptacles in the Mac Pro. Included in this kit are six typical AUX power cables including four 8-pin to 8-pin cables, a 6-pin to 6-pin cable, and an 8-pin to dual 6-pin cable.
This cable kit allows PCI Express devices requiring AUX power to be connected inside the Mac Pro
Power typical graphics cards and AUX power PCI Express cards with these cables