Palit Geforce GTX 560 Ti 1024 MB 256-bit GDDR5 2 PCI Express 2.0 x 16 HDCP Ready SLI Support Video Card NE5X56T01102-1140F Chipset: GeForce GTX560 Ti Engine Clock: 822 MHz Video Memory: 1GB DDR5 Memory Clock: 4008MHz Memory Interface: 256-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processors: 384 Max. Resolution: 2560 x 1600 Connectors: VGA; Dual DVI; HDMI Thermal: Fansink Support Microsoft Windows 7 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 500W or greater system power supply (with a minimum 12V current rating of 30A)