2Gb GDDR5 ATI RADEON HD 7850 PCI-E (16x) Output: 1 x Dual-Link DVI, 1 x HDMI (with 3D), 2 x Mini-DisplayPort, DisplayPort 1.2 GPU: 860 MHz Core Clock, 28 nm Chip, 1024 x Stream Processors Memory: 2048 MB Size, 256 -bit GDDR5, 4800 MHz Effective Dimension: 210(L)x105(W)x35(H) mm Size Dual-Link DVI HDMI (with 3D) Mini-DisplayPort DisplayPort 1.2 Advanced GDDR5 Memory Technology AMD HD3D Technology 28 nm GCN (Graphic Core Next) Architecture PCI Express 3.0 AMD Eyefinity 2.0 Enhanced Multi-GPU Capabilities Discrete Digital Multi-Point Audio GHz Edition Dual-X Shader Model 5.0 OpenGL 4.2 Best Microsoft DirectX11 Support