EVGA 512-P3-N956-TR e-GeForce 9500 GT 512 MB DDR3 PCI-E 2.0 Graphics Card PCI Express 2.0 Support GeForce 9500 GT with 550MHz clock 512 MB 128 bit 0.8ns GDDR3 memory 800 MHz clock with 1600 MHz effective memory rate Full DirectX 10 and OpenGL 2.1 support