EVGA GeForce 9400 GT 1 GB DDR2 PCI-E 2.0 Graphics Card 01G-P3-N945-LR Full DirectX 10 and OpenGL 2.1 support 400 MHz clock with 800 MHz effective memory rate GeForce 9400 GT with 550MHz clock PCI Express 2.0 Support 1GB of 128 bit DDR2 memory PCI Express 2.0 Support GeForce 9400 GT with 550MHz clock 1GB of 128 bit DDR2 memory 400 MHz clock with 800 MHz effective memory rate Full DirectX 10 and OpenGL 2.1 support