Feature-Rich DirectX® 10 Gaming and HD Video for Windows Vista. The ATI Radeon HD 2600 delivers powerful graphics performance to enhance the stunning Windows Aero user interface. ATI Catalyst graphics management software is Certified for Windows VistA and is designed for quick and easy setup of graphics, video, and multiple displays. The ATI Radeon HD 2600 features advanced hardware HD video processing and HDMI with built-in 5.1 surround sound for stunning big-screen entertainment.