Palit GF GTS 450 PCI-E 2.0 1GB DDR5 128-bit, 783/3608MHz, DVI, D-Sub, HDMI, Fan, Latest 40nm technology, Microsoft DX11 Support, NVIDIA PhysX technology, 3D Vision Ready, 3D Vision Surround Ready, CUDA, 3-way NVIDIA SLI Technology, Microsoft Windows 7 Support, DirectCompute Support, OpenCL Support, Open GL 3.2 Optimization and Support, NVIDIA GeForce Unified Driver Architecture, Dual-link DVI Support, HDMI 1.3a Support, NVIDIA PureVideo HD Technology