ZOTAC GeForce GTX 560 Ti AMP! 1GB GDDR5 PCI Express 2.0 Dual DVI/HDMI/Displayport SLI Ready Graphics Card, ZT-50302-10M NVIDIA GeForce GTX 560 Ti GPU, 384 Unified Shaders, 1GB GDDR5, 256-bit memory bus, Core Clock: NVIDIA Force Ware Drivers, Microsoft DirectX 11, OpenGL 4.1, Microsoft Windows XP/Vista/7 NVIDIA Unified Architecture, NVIDIA 3D Vision Surround ready, NVIDIA SLI ready, NVIDIA PhysX & CUDA Technology, NVIDIA PureVideo HD technology Dual -link DVI (Up to 2560x1600), HDMI 1.4a w/audio, HDCP ready, SLI bridge connector (2-way SLI ready) ED 480p, HD 720p, HD 1080i, Full HD 1080p Core Clock: 950 MHz, Shader Clock: 1900 MHz, Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1) HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1) NVIDIA GeForce GTX 560 Ti GPU, 384 Unified Shaders, 1GB GDDR5, 256-bit memory bus, Core Clock: 950 MHz, Shader Clock: 1900 MHz, Shader Clock: 1900 MHz, Memory Clock: 4400 MHz, PCI Express 2.0 (compatible with 1.1) HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready Technology, HDMI xvYCC Color & Deep Color technologies, HDMI 1.4a compliant, Hardware-accelerated Blu-ray 3D ready