MSI GeForce 8400 GS 512 MB Turbo cache (256M) 64-bit PCI Express 2.0 x16 HDCP Ready Video Card N8400GS-MD256H/TC PureVideo HDMore and more people are enjoying high-definition (HD) video content, and NVIDIA PureVideo HD technology is your ticket for an exhilarating ride on the HD journey. With PureVideo HD technology DirectX 10Microsoft DirectX 10 GPU with full Shader Model 4.0 support delivers unparalleled levels of graphics realism and film-quality effects for today's hottest games. Low Profile, VGA, DVI Chipset: GeForce 8400GS Engine Clock: 520 MHz Video Memory: 256MB DDR2, Turbo Cache 512MB Memory Clock: 1000 MHz Memory Interface: 64-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz Thermal: Fansink