PNY GeForce 9600GT 512 MB DDR3 PCI-Express Graphics Card VCG96512GXPB 9600GT 512MB, BUS Technology PCI Express 2.0 , Memory Amount 512 MB ,Memory Interface 256-bit , Memory Bandwidth (GB/sec) 57.6 , Fill Rate (billion pixels/sec.) 20.8 , Core Clock (MHz) 650MHz , Memory Frequency (effective) 1.8GHz 16x full-screen anti-aliasing, True 128-bit floating point high dynamic-range (HDR) lighting, NVIDIA Quantum Effects physics processing technology, NVIDIA unified architecture, Full Microsoft DirectX 10 Shader Model 4.0 support, NVIDIA SLI -Ready PCI Express 2.0 support, Two dual-link DVI outputs support two 2560x1600 resolution displays, NVIDIA PureVideo HD technology, HDCP Capable, OpenGL 2.1 support