These Windows Vista ready graphics cards feature an overclocked Radeon X1550 GPU (from 550MHz to 600MHz) and 256MB DDR2 memory clocked at 400MHz.
The X1550 Silent Cooling System edition is a passive solution with zero compromise on performance. It comes complete with same specifications as the standard version. As with the entire X1K series, PowerColor X1550 is CrossFire ready and supports DirectX 9c, Open GL 2.0 and Shader Model 3.0; enabling anti-aliasing with HDR. Avivo engine also ensures accelerated video decode and encode of the latest video formats and support for High-Definition (HD) videos.