XFX GeForce 9800 GX2 1GB 512-bit 600MHz DDR3 PCI-E 2.0 Dual DVI/HDMI SLI Supported Video Card - 9800GX2

Combining the power of two GeForce 9800 GPUs in a single graphics solution and 256 screaming fast stream processors, the GeForce 9800 GX2 graphics card is the fastest graphics solution on the planet, exceeding the expectations of PC and console gamers alike. Unified Architecture Lumina Engine 128-bit High Dynamic-Range Rendering Lumenex Engine Quantum Engine: Embedded Physics features DirectX 10 support SLI Support HDCP Capable Hybrid Power HDMI Output HDMI Certified (Buy.com)