The VisionTek Radeon™ HD 5450 1GB PCIe 2.1 x16 Graphics Card offers the most features and functionality in its class with complete DirectX 11 support and the world’s most advanced graphics, display features and technologies. Designed to deliver a feature laden gaming/computing experience, Radeon™ HD 5450 enables a seamless HD gaming experience with amazing image quality. At the “heart” of the entertainment experience on the PC, things like video playback, editing and transferring content to portable media players are now fast and easy. Supports Windows 7 and future DirectX®11 games giving users incredible system performance in an energy efficient card that is easy to install with no external power supply needed. Microsoft DirectX® 11 Support Dolby® TrueHD and DTSHD Master Audio™ Support Support of content protected, high bandwidth, 7.1 channels of surround sound over HDMI. Avivo™ Technology Enhanced Unified Video Decoder 2 (UVD 2) Watch the hottest Blu-ray movies or other HD content at full 1080p display resolution and beyond and enjoy a more feature rich experience with enhanced Unified Video Decoder 2 (UVD 2). Enhanced UVD 2 now supports a hardware acceleration decode of dual 1080p HD video streams. Brighter Whites processing increases the blue value of white colors for brighter and more vivid video playback, and independent Video Gamma Control allows you to set video gamma independently from Windows desktop for a better viewing experience. Dynamic Video Range Control enables user to control levels of black and white during playback.