Full Details from Amazon.com : http://www.amazon.com/gp/product/B001BBS8RO?tag=onigi-20
ASUS EAH4850 Graphics Card (ATI Radeon HD 4850 Chipset Directx 10 2nd Generation 55NM GPU Solution
2nd Generation 55nm GPU Solution
512 DDR3 Memory on board
HDMI Output