GIGABYTE ATI Radeon HD6950 1 GB DDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card GV-R695OC-1GD Support Microsoft Windows 7 Support AMD Eyefinity Technology Connectors: Dual DVI, HDMI, DisplayPort Thermal: Fansink(WindForce 3X Cooling Design) Memory Clock: 5000 MHz Memory Interface: 256-bit Bus: PCI-Express 2.1 x16 Chipset: Radeon HD6950 Engine Clock: 870 MHz Video Memory: 1GB DDR5 RAMDAC: 400 MHz Max. Resolution: 2560 x 1600 Gigabyte Ultra Durable VGA Series - GPU Temperature 5% ~ 10% down - Overclocking capability 10% ~ 30% up - Power Switching Loss 10% ~ 30% down WINDFORCE 3X Anti-Turbulence Cooling w/ Vapor Chamber for maximum performance at whisper silent operation Gold plated HDMI for optimum signal transfer between connections Core Clock: 870MHz - Memory Clock: 5000MHz Features DVI-I / DVI-D / HDMI / Displayport outputs with HDCP protection Supports AMD Eyefinity / EyeSpeed / CrossFire / Avivo HD technologies Minimum recommended Power Supply 500W