SAPPHIRE HD3870 X2

1GB GDDR3 onboard memory
256-Bit x 2 memory interface
Engine clock: 825MHz x 2
Memory clock: 1800MHz x 2 (900MHz x 2 GDDR3)
PCI Express x16 lane native support
RAMDACs 2x400MHz
320 x2 (640) stream processing units
Outputs: Dual DVI, S-video TV-out
Dual display support Hydravision 3
CrossFireX Support
3D Graphics Resolution of 2560x1600 Max
Video Acceleration of: MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264
HDMI compliance, HDCP ready, HDTV
Full support for DirectX 10.1 and OpenGL 2.0 functionality
Avivo HD video and display technology
Hardware based H.264/VC-1 decoding of Blu-ray and HD DVDs
Integrated HD audio controller with multi-channel (5.1) AC3 support
Up to 24x Custom Filter Anti-Aliasing