Palit nVidia GeForce GTX580 1536MB DDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card NE5X580010CB-1100F Chipset: GeForce GTX580 Engine Clock: 783 MHz Video Memory: 1536 MB DDR5 Memory Clock: 2010 MHz(4020MHz DDR) Memory Interface: 384-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 512 Max. Resolution: 2560 x 1600 Connectors: Dual DVI; HDMI; DisplayPort Thermal: Fansink Support Microsoft Windows 7/XP/Vista Support nVidia PhysX Technology Support nVidia 3D Vision Surround Ready Support nVidia CUDA Technology Support nVidia SLI Technology Support nVidia PureVideo HD Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 4.1 Minimum 600W or greater system power supply (with a minimum 12V current rating of 42A)