The SAPPHIRE HD 5450 graphic cards offer the most features and functionality in their class with complete DirectX 11 support and the world's most advanced graphics, display features and technologies*. The HD 5450 Series is designed to give you stunning high definition entertainment from your PC, whether Blu-ray/HD DVD discs or other HD sources.** Also, you can get an amazing entertainment experience with DirectX 11 and Windows 7*** via HD5450. model : HD-545X-ZCH3 tag : Video - Graphic Cards