Gigabyte GeForce GTX 670 OC 4GB GDDR5 DVI-I/DVI-D/HDMI/Displayport PCI-Express 3.0 SLI Ready Graphics Card GV-N670OC-4GD Ultra Durable VGA Components: GPU Temperature 5%-10% Down - Overclocking Capability 10%-30% Up - Power Switching Loss 10% - 30% Down WINDFORCE 3X Anti-Turbulence Cooling Solution with Triangle Cool Technology Features DVI-I/DVI-D/HDMI/Display port outputs with HDCP protection Minimum Recommended Power Supply 550W with 1x 6pin and 1x 8pin PCI-E power connectors Supports Nvidia 3D Vision / Surround / Adaptive V-Sync / GPU Boost / SLI / PhysX technologies