Powered by dual Xeon processors, Supermicro's versatile 4U rack/tower convertible server has been one of the most popular server/storage platforms on the market today. Designed for industry-leading performance and high data availability, the 4U series is optimized for business critical applications such as databases, corporate networking, email and web servers, and NAS. The SuperMicro 7043A-iB is comprised of two main subsystems: the SC742i-450 high-end server chassis and the X5DAE dual Xeon processor mainboard.