Full Details from Amazon.com : http://www.amazon.com/gp/product/B004BQKQ8A?tag=onigi-20
EVGA 512-P3-1300-LR GeForce 8400 GS 512 MB DDR3 PCI Express 2.0 DVI/HDMI/VGA Graphics Card
Dual-Link HDCP Capable
600 MHz memory clock and 1230 MHz shader clock
PCI Express 20
GEForce 8400 GS with 520 MHz core clock
512MB 32-bit DDR3 memory
GEForce 8400 GS with 520 MHz core clock