MSI ATI Radeon 7770 HD 1020MHz 1GB PCI Express 30 HDMI OC

**CoreMemory** 1020MHz Core 1024MB GDDR5 4500MHz Memory **Video Output Function** Dual link DVI x 1 Mini DisplayPort x 2 HDMI x 1 **Key Features** **MSI Afterburner overclocking utility** Supports overvoltage function Supports advanced fan speed control. Supports burn in stability test. **Dual Fan Thermal Design** Produces more airflow than traditional single fan thermal design. Provides better heat dissipation with huge heatsink. **AMD GHz Edition** World's First graphics card with default 1 GHz core clock. Provides better performance and visual experience. **AMD Eyefinity Technology Support** AMD Eyefinity Technology supports maximum 6 displays with 2 DisplayPorts via Multi Stream Transport MST HUB. **Specification** Graphics Engine ATI Radeon HD 7770 Interface PCI Express x16 3.0 Memory Type GDDR5 Memory SizeMB 1024 Memory Interface 128 bits Core Clock SpeedMHz 1020 Memory Clock SpeedMHz 4500 DVI Output 1 HDMI Output 1 Mini DisplayPort 2 HDCP Support Y HDMI Support Y Dual link DVI Y Display Output Max Resolution 2560x1600 RAMDACs 400 DirectX Version Support 11 OpenGL Version Support 4.2 CrossFire Support Y Card Dimensionmm 235 x 111 x 38mm