EVGA GeForce GTX260 Core 216 896MB DDR3 PCI-Express 2.0 Graphics Card 896-P3-1255-AR PCI Express 2.0 55nm GeForce GTX 260 Core 216 with 576MHz clock 896MB 448-bit 1 ns GDDR3 memory 999MHz clock with 1998MHz effective memory rate and 1242MHz shader clock Full DirectX 10 and Open GL 2.1 Support