features and specifications: » chipset: hd 4870 x2 » engine clock: 800mhz » stream processors: 800 x2 » ramdac: 400mhz x2 » memory clock: 1000mhz gddr5 » memory interface: 256-bit + 256-bit » memory support: 2gb » cooling: single slot liquid cooling » bus interface: pci-express gen 2.0 x16 » variable display outputs: dual dvi, hdtv out, vga & hdmi via adapters » max 3d resolution: 2560x1600 (dual-link dvi), 1024 x 768 (tv out) » hardware features: directx® 10.1 » shadermodel: 4.1 » software feature: ati avivotm