Full Details from Amazon.com : http://www.amazon.com/gp/product/B002WRIAS8?tag=onigi-20
EVGA GeForce GTS 250 512 MB DDR3 2.0 PCI-Express Graphics Card 512-P3-1154-TR
PCI Express 20 HDMI DVI-I and VGA interfaces
GeForce GTS 250 with 738 MHz core clock
512 MB of DDR3 memory
2200 MHz memory clock and 1782 MHz shader clock
Full DirectX 10 Shader model 40 and Open GL 31 Support