ATI FirePro V5800 1 GB DDR5 DVI/2DisplayPort PCI-Express Video Card 100-505605 - Retail ATI Eyefinity Technology Support ATI CrossFire Pro Technology Support ATI FirePro S400 Synchronization Module AutoDetect Technology Full 30-bit Display Pipeline Multi-View Display Certification Support DirectX 11.0, Full Shader Model 5.0 and OpenGL 3.2 OpenCL 1.0 GPU: ATI FirePro V5800 Memory: 1GB DDR5 Brandwidth: 64.0 GB/s Shader Processing Units: 800 Memory Interface: 128-bit Bus: PCI-Express 2.0 x16 Max. Resolution: 2560x1600 @ 60Hz Connectors: DVI, Dual DisplayPort Thermal: Fansink Support Microsoft DirectX 11, Shader Model 5.0 and OpenGL 3.2