Sapphire's Radeon X550 series represents affordable graphics upgrades with industry-leading performance, technology and software support. Sapphire's Radeon X550 family operates on the PCI Express bus, the emerging PC industry standard for delivering maximum real-time performance for graphics-intensive software applications. The Sapphire Radeon X550 series operates with a standard core clock speed of 400MHz and memory speeds of 500MHz. They will feature both 64-bit and 128-bit Memory Interface which provides significant performance advantages over competitor's 32/64-bit solutions. Several models offer a choice of memory configurations with 128 or 256MB of memory, including versions with enhanced memory specifications suitable for overclocking and with a choice of conventional fan or fully passive cooling. Dual monitor operation is supported, and the provision of both VGA and Video-Out connectors allows simple connection to analog CRTs, TFTs and TVs. Maximum 3D resolution for monitor output is 2048x1536 @ 85Hz and for TV out is 1024x768. Sapphire's Radeon X550 fully supports Microsoft DirectX 9 and incorporates ATI's SmartShader and SmoothVision technologies for the better enjoyment of top gaming titles, digital photography, video editing and web surfing. Sapphire's Radeon X550 series delivers the best graphics and video at its price point making it the perfect solution for entry-level Microsoft Media Center Edition systems.