GIGABYTE GeForce GTX 560 1GB GDDR5 PCI Express 2.0 2x DVI-I / mini-HDMI SLI Ready Graphics Card, GV-N56GOC-1GI Features 2x DVI-I / mini-HDMI outputs with HDCP protection Gold plated HDMI for optimum signal transfer between connections Gigabyte Ultra Durable VGA SeriesGPU Temperature 5% ~ 10% downOverclocking capability 10% ~ 30% upPower Switching Loss 10% ~ 30% down Powered by NVIDIA GeForce GTX 560 GPU and integrated with industry's best 1GB GDDR5 memory and 256-bit memory interface WINDFORCE 2X Anti-Turbulence Cooling for maximum performance at whisper silent operation Powered by NVIDIA GeForce GTX 560 GPU and integrated with industry's best 1GB GDDR5 memory and 256-bit memory interface Gigabyte Ultra Durable VGA SeriesGPU Temperature 5% ~ 10% down Overclocking capability 10% ~ 30% up Power Switching Loss 10% ~ 30% down WINDFORCE 2X Anti-Turbulence Cooling for maximum performance at whisper silent operation Gold plated HDMI for optimum signal transfer between connections Features 2x DVI-I / mini-HDMI outputs with HDCP protection Core Clock: 830MHzMemory Clock: 4008MHz Supports NVIDIA SLI / 3D Vision / CUDA / PhysX Technology Recommended minimum system Power Supply Unit 500W with two 6-pin external power connectors