Zotac  GeForce GTX 650 2GB GDDR5 128 Bit PCI Express 3.0 Dual DVI Dual HDMI Graphics Card ZT-61010-10M 384 processor cores, Engine clock: 1058 MHz, Memory clock: 5000 MHz Dual DVI (Up to 2560x1600), Dual HDMI 1.4a (w/audio (8-channel)), VGA (with included adapter, Quad simultaneous display capable, HDCP compliant NVIDIA GeForce driver, Microsoft DirectX 11, OpenGL 4.3, Microsoft Windows Vista/7/8 x86/x64 ED 480p, HD 720p, HD 1080i, Full HD 1080p