The SAPPHIRE HD 5450 graphic cards offer the most features & functionality in their class with complete Direct X 11 support & the world’s most advanced graphics, display features & technologies.
Specification Output 1 x Dual-Link DVI-I 1 x Single-Link DVI-I GPU 650 MHz Core Clock 40 nm Chip 80 x Stream Processors Video Memory 1024 MB Size 64 -bit DDR3 1333 MHz Effective Software Driver CD PCI Express based PC is required with one X16 lane graphics slot available on the motherboard. Certified power supplies are recommended. Please refer to: http://support.amd.com/us/certified/power supplies/ Pages/listing.aspx 1024MBMinimum of system memory. Installation software requires CD-ROM drive. DVD playback requires DVD drive. Blu-ray / HD DVD playback requires Blu-ray / HD DVD drive. For an AMD Cross Fire X system, a second same AMD Radeon graphics card, an AMD Cross Fire X Ready motherboard & one AMD Cross Fire X Bridge Interconnect cable per graphics card (optional) are required. 400 Watt Power Supply is required. For best cooling performance, a chassis installed with at least one 120mm or 90mm fan is required.