The Unified Storage Bridge Bay (SBB) features a fully redundant, fault-tolerant storage server system that is fully optimized for mission-critical, enterprise-level storage applications, these innovative SBB features a fully redundant, fault-tolerant "Cluster-in-a-box" system. It supports 16x 3.5" Hot-swapHDD’s with the option to expand beyond 16 HDDS by using the SBB JBOD. Dual 10GbE connection between the Serverboards via the midplane. If one serverboard fails, the other serverboard is able to take over control and access the HDD's (both controllers can also work as Active-active mode), keeping the system up and running. Storage software is the key to enable this feature, which is available from several Supermicro's partners.High-efficiency redundant power supplies and redundant cooling fans, the SBB storage server is a highly-available, high-reliability storage system at a competitive price.