Full Details from Amazon.com : http://www.amazon.com/gp/product/B004I8W4UY?tag=onigi-20

ASUS GeForce 8400 GS 512MB 64-bit DDR2 PCI Express 2.0 x16 Low Profile Ready Video Card EN8400GS

Chipset GeForce 8400GS Engine Clock 589 MHz Video Memory 512MB DDR2 Memory Clock 667 MHz Memory Interface 64-bit
Bus PCI-Express 20 x16 RAMDAC 400 MHz Max Resolution 2560 x 1600
Connectors VGA DVI-I HDMIThermal Fanless
Support HDCP - High-bandwidth Digital Content Protection Support nVidia PhysX TechnologySupport nVidia PureVideo HD Technology
Support nVidia GeForce CUDA Technology Support Microsoft DirectX 101 Low Profile Design