Gigabyte AMD Radeon HD 7950 3GB GDDR5  DVI-I/HDMI/2x Mini-Displayport PCI-Express Graphic Card GV-R795WF3-3GD Ultra Durable VGA materials: GPU Temperature 5%-10% down - Overclocking capability 10%-30% Up - Power Switching Loss 10%-30% down Windforce 3X Anti-Turbulence Cooling with "Triangle Cool" Technology for maximum cooling performance at whisper silent operation. Core Clock: 900MHz - Memory Clock: 5000MHz Features DVI-I/HDMI/2x mini-Displayport outputs with HDCP protection. Supports AMD Eyefinity/EyeSpeed/CrossFire/Avivo HD technologies. Minimum Recommended System power supply 500W.