DESC: Built for today's hottest games, the GeForce 6600 GT PCI Express® features groundbreaking technology innovations such as a Superscalar GPU architecture, high-speed DDR3 memory and support for Microsoft DirectX9.0 Shader Model 3.0, arming you with everything you need so you can play your game the way it's meant to be played. The GeForce 6600 GT PCI Express offers 4GB/s of peak bandwidth allowing for screaming frame rates on next generation games such as Doom III.