The AC family of hybrid storage systems are reliable, robust and expandable.  Built on fully redundant dual node high-performance and highly available platforms, the AC45 and AC72 are the industries best hybrid storage systems.  Each AC system includes three enterprise-class SSDs used for mirrored write cache and spillover read cache.  Additional SSDs may be added for more screaming performance. 3U and 4U expansion shelves can be added without the cost of additional capacity software licensing which makes the Starboard AC Series the best $ per TB and $ per IOPs in the industry.