ZOTAC nVidia GeForce GTX570 AMP! 1280 MB DDR5 2DVI/Mini HDMI/DisplayPort PCI-Express Video Card ZT-50204-10M Chipset: GeForce GTX570 Engine Clock: 780 MHz Video Memory: 1280MB DDR5 Memory Clock: 4000 MHz Memory Interface: 320 bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 480 Max. Resolution: 2560 x 1600 Connectors: Dual DVI; HDMI; DisplayPort Thermal: Fansink Support Microsoft Windows 7/Vista/XP Support nVidia PhysX Technology Support nVidia CUDA Technology Support nVidia PureVideo HD Technology Support nVidia 3D Vision Surround ready Support nVidia 3-way SLI ready Support HDCP - High-bandwidth Digital Content Protection Microsoft DirectX 11 and OpenGL 4.1 600-watt power supply recommended, 236-watt max power consumption RoHS Compliant