Palit Microsystems GT 440 1024 MB 128-bit GDDR3 PCI Express 2.0 x 16 HDCP Ready SLI Support Video Card NEAT4400HD01-1081F Microsoft DirectX11 SupportNVIDIA CUDA technology with CUDA C/C++DirectCompute 5.0 and OpenCL support NVIDIA PhysX technologyNVIDIA SLI ReadyNVIDIA 3D Vision support NVIDIA Pure Video HD technologyPCI Express 2.0 support Dual-link DVI-I connectors One mini-HDMI 1.4a connector Dual-Link HDCP capable OpenGL 4.1 support