Diamond X600PRO 256MB Radeon X600 Secondary sets the new bar for PCI Express performance with a powerful combination of the industry's fastest true PCI Express architecture and the fastest full-featured support for DirectX 9.0 and OpenGL. Features: SMARTSHADER™ enables pixel and vertex programmable shaders, providing the most complex and realistic texture and lighting effects. VIDEOSHADER™ HD engine uses programmable pixel shaders to accelerate video processing and provide better-looking visuals.