ZOTAC nVidia GeForce GT440 1 GB DDR3 2DVI/Mini HDMI PCI-Express Video Card ZT-40704-10L Chipset: GeForce GT440 Engine Clock: 810 MHz Video Memory: 1GB DDR3 Memory Clock: 1600 MHz Memory Interface: 128-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Stream Processor: 96 Max. Resolution: 2560 x 1600 Connectors: Dual DVI; Mini HDMI Thermal: Fansink Support Microsoft Windows 7 Support nVidia PhysX Technology Support nVidia CUDA Technology Support nVidia SLI Technology Support nVidia PureVideo HD Technology Support Blu-ray 3D ready Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 11 and OpenGL 4.1