XFX ATI Radeon HD6750 1 GB DDR5 VGA/DVI/HDMI PCI-Express Video Card HD675XZNLC Chipset: Radeon HD6750; Engine Clock: 700 MHz; Video Memory: 1GB DDR5 Memory Clock: 1150MHz (4.6Gbps); Memory Interface: 128-bit; Bus: PCI-Express 2.1 x16; RAMDAC: 400 MHz; Stream Processors: 720 Max. Resolution: 2560 x 1600; Connectors: VGA; DVI; HDMI; Thermal: Fansink; Support Microsoft Windows 7; Support ATI CrossFireX Technology; Support ATI Stream Technology Support AMD Eyefinity Technology; Support ATI PowerPlay Technology; Support ATI Avivo HD Technology; Support AMD HD3D Technology; Support AMD Accelerated Parallel Processing (APP) Technology Support HDCP - High-bandwidth Digital Content Protection; Support Microsoft DirectX 11, Shader Model 5.0 and Open GL 4.1; Minimum Power Requirement: 650W