eVGA e-GeForce GTX260 SC 896MB DDR3 PCI-Express 2.0 Graphics Card with Free Special Edition EVGA Precision Overclocking Utility PCI Express 2.0 Compatible GeForce GTX 260 with 602MHz clock 896MB 448-bit 1 ns GDDR3 memory 1026MHz clock/2052MHz effective memory rate Full DirectX 10 and Open GL 2.1 Support