EVGA GeForce GTX 275 + GTS 250 1.25GB GDDR3

Geforce GTX 275 CO-OP PhysX Edition NVIDIA SLI Technology.\nDramatically scales performance by allowing two graphics cards to be run in parallel. Only available on select PCI-Express models.\n\nFull Microsoft® DirectX® 10 Shader Model 4.0 Support.\nAlso known as the Unified Shader Model, the Vertex shaders, Geometry shaders, and Pixel shaders are combined in to one unified shader. Also backwards compatible with DirectX® 9.\n\nTrue 128-Bit Floating Point High Dynamic-Range (HDR).\nAllows you to experience cinematic, life like environments, for an amazing graphics experience.\n\nPCI Express® 2.0 / 1.1 Support.\nAllows 500MB a lane or up to 8 GB/s at 16x speeds - allows for full support for new PCI-E 2.0 graphics cards.\n\n2nd Generation Unified Shader Architecture.\nThe latest in Unified Shader Architecture Technology, offering 50% more performance through 240 enhanced processing cores.\n\nNVIDIA® CUDA™ Support.\nAccelerates CUDA based applications through the GPU's proccessing power allowing for faster application performance such as video transcoding.\n\nNVIDIA® PhysX™ Ready.\nEnjoy more visual immersion with life like physics for a more dynamic experience.\n\n2-Way SLI® Support.\nFeel free to turn up the eye candy and experience the performance of 2 Graphics Cards running together.\n\n3-Way SLI® Support.\nExperience the amazing performance that only 3 Graphics Cards can deliver, a visual experience that will take you to the next level.\n\nNVIDIA® PureVideo™ HD Technology.\nSmooth video, accurate colors, precise image scaling, video decode acceleration and post processing, all provided by the graphics card to give you the best HD experience possible. This feature also offloads from the CPU to help reduce power consumption.\n\nOpenGL® 3.1 Support.\nSupports the latest version of OpenGL.\n\nDedicated GTS 250 for PhysX.\n\nWindows 7™ Support.