PCI Express Gen 2.0 with ATI CrossFire™ Technology 
PCI Express 2.0 architecture enables increased bi-directional bandwidth to the graphics and I/O interfaces. With theoretical bandwidth up to 8 GB/s per direction, the PCI Express 2.0 x16 graphics port can provide double the graphics bandwidth over previous high-performance discrete graphics solutions. Designed to support cutting-edge PCI Express graphics, the XPC Prima P2 3800 has been tested compatible with the latest high-performance graphics cards.
Optional ATI Radeon™ Crossfire HD 3800 Series or GeForce 8800 GTX*
Advance to the Next Generation of HD Gaming
Advance to the next generation of gaming with incredible performance, life-like graphics and support for the latest Microsoft® DirectX® 10.1. With PCI Express® 2.0 support, you’re ready for games that will demand faster throughput. And thanks to plug-and-play ATI CrossFireX™ upgradeability, it is easy to turbo-charge your 3D performance.
Unleash the Gaming Power of DirectX® 10
Redefine your gaming reality with GeForce 8800 GTX graphics processors. The world ’s first DirectX® 10 GPUs feature a powerful unified architecture that delivers an incredibly true-to-life gaming experience. Power through games at record speeds. Charge through game maps with vividly realistic, sun-up to sun-down HDR lighting effects. And crank up 16x full-screen anti-aliasing without missing a beat.