Like many, I bought a EVGA GTX 280 FTW - and discovered my power supply does not have an 8 pin pci-e connection. My power supply is a Rosewill - 850W unit and has 4, 6 pin pci-e connections. The power supply also came with a 6 pin pci-e to 8 pin pci-e adapter. However, my video card also came...