Zotac GeForce GT 440 1 GB DDR3 PCI Express 2.0 HDMI DVI DIsplayPort Graphics Card, ZT-40703-10L 96 Unified Shaders, 128-bit memory bus, Core Clock: 810 MHz, Shader Clock: 1620 MHz, Memory Clock: 1600 MHz NVIDIA Unified Architecture, NVIDIA PhysX Technology, NVIDIA CUDA Technology, Hardware Video Decode Acceleration, Blu-ray 3D ready, HDMI xvYCC Color & DeepColor technologies, Dolby True HD & DTS-HD Master Audio bit stream support NVIDIA Force Ware Drivers, Microsoft Direct 11, OpenGL 4.1, Microsoft Windows XP/Vista/7 Dual-link DVI (Up to 2560x1600), HDMI 1.4a w/audio (8-channel LPCM & bit stream), Display Port, HDCP ready ED 480p, HD 720p, HD 1080i, Full HD 1080p 300-watt power supply recommended, 65-watt max power consumption