eVGA e-GeForce 8800 GT AKIMBO SC Edition 512MB DDR3 PCI-Express 2.0 Graphics Card (512-P3-N808-AR) PCI Express 2.0 Compatible 256-bit GeForce 8800 GTS with 720MHz clock 512MB 256-bit 1 ns GDDR3 memory 1000 MHz clock/2.0 GHz effective memory rate Full DirectX 10 and Open GL 2.0 Support