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EVGA nVidia GeForce GTS 250 1 GB DDR3 2DVI/HDTV PCI-Express Video Card 01G-P3-1158-TR

PCI Express 20
GeForce GTS 250 with 738 MHz core clock
1024 MB of DDR3 memory
2200 MHz memory clock and 1782 MHz shader clock
Full DirectX 10 Shader model 40 and Open GL 30 Support