VisionTek Radeon 7770 1GB DDR5 PCI Express GCN Architecture PCI Express 3.0 x16 bus interface DirectX 11-capable graphics 9th generation programmable hardware tessellation units Shader Model 5.0 DirectCompute 11 Accelerated multi-threading OpenGL 4.2 support Image quality enhancement technology Up to 24x multi-sample and super-sample anti-aliasing modes Adaptive anti-aliasing Morphological Anti-Aliasing (MLAA) DirectX 10/11 Super-Sample Anti-Aliasing (SSAA) 16x angle independent anisotropic texture filtering 128-bit floating point HDR rendering AMD Eyefinity multi-display technology1 Display grouping Combine multiple displays to behave like a single large display AMD App Acceleration2 OpenCL 1.2 Support Microsoft C AMP DirectCompute 11 Double Precision Floating Point AMD HD Media Accelerator AMD CrossFire? multi-GPU technology5 Dual triple or quad-GPU scaling DisplayPort 1.2 Max resolution: 4096x2160 per display Multi-Stream Transport 3GHz HDMI 1.4a with Stereoscopic 3D Frame Packing Format Deep Color xvYCC wide gamut support and high bit-rate audio Integrated HD audio controller Output protected high bit rate 7.1 Channel surround sound over HDMI with no additional cables required Supports AC-3 AAC Dolby TrueHD and DTS Master Audio formats Output Connectors (1) Dual link DVI-I (1) HDMI video and audio connector (2) mini Display Port