ZOTAC GeForce GTX 460 1 GB 256-Bit (675MHz/3600MHz) PCI-Express Graphics Card ZT-40402-10P NVIDIA GeForce GTX 460 GPU, 336 Unified Shaders, 1GB GDDR5, 256-bit memory bus, Core Clock: 675 MHz, Shader Clock: 1350 MHz DirectX 11 support, OpenGL 4.0, NVIDIA ForceWare Drivers, Windows XP/Vista/7, Memory Clock: 3600 MHz, PCI Express 2.0 x16 (compatible with 1.1) NVIDIA Unified Architecture, NVIDIA 3D Vision Surround ready, NVIDIA PhysX Technology, NVIDIA CUDA Technology, Nvidia PureVideo HD Technology Dual dual-link DVI (Up to 2560x1600), Mini-HDMI 1.3a with audio (8-channel LPCM & bitstream), HDCP ready ED 480p, HD 720p, HD 1080i, Full HD 1080p