VisionTek Radeon 7770 1 GB DDR5 PCI Express Graphics Cards (900504) GCN Architecture, an award-winning 28nm chip engineered to enable an exceptional DirectX 11 experience AMD Eyefinity 2.0, the world's best multi-display gaming technology just got better. Get amazing EyeDefinition graphics with DirectX 11 technology Shader Model 5.0, DirectCompute 11, OpenGL 4.2 support DisplayPort 1.2 Max resolution: 4096x2160 per display Multi-Stream Transport 3GHz HDMI 1.4a with Stereoscopic 3D Frame Packing Format Supports multiple monitors Limited Lifetime Warranty