GIGABYTE GeForce GTX 580 3072MB GDDR5 PCI Express 2.0 2x DVI-I / mini-HDMI SLI Ready Graphics Card, GV-N580UD-3GI 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 Features 2x DVI-I / mini-HDMI outputs with HDCP protection Core Clock: 772MHz - Memory Clock: 4008MHz Supports NVIDIA SLI / 3D Vision / CUDA / PhysX Technology Minimum Recommended Power Supply 600W or greater with one 8-pin and one 6-pin PCI-E power connectors