ATI HD 2900 XT Graphics Card
 

This graphics card has 700 million transistors and is built on 80nm fab. Memory is 512MB of GDDR3 with a 512-bit, 8-channel interface. ATI uses 320 stream processing units and 128-bit floating point precision for all operations. The ATI HD 2900 XT is also fully DirectX 10 compliant and uses shader model 4.0.

http://www.i4u.com/full-review-240.html