Palit Geforce GTX 580 3072 MB 384-bit GDDR5 PCI Express 2.0 x 16 HDCP Ready SLI Support Video Card NE5X580010FB-1100F Microsoft DirectX11 Support NVIDIA CUDA technology with CUDA C/C++ DirectCompute 5.0 and OpenCL support NVIDIA PhysX technologyNVIDIA SLI Ready NVIDIA 3D Vsion support NVIDIA PureVideo HD technology PCI Express 2.0 support Two dual-link DVI-I connectors One mini-HDMI 1.4a connector Dual-Link HDCP capable OpenGL 4 support