Sun's enterprise storage solutions - mass storage systems, disk and tape devices, software, and memory - are specifically designed to complement its network servers and workstations, with the levels of data access and protection necessary in business-critical networked environments. In order to reduce the total upgrade cost, Sun provides you with various upgrade terms.Sun offers an upgrade to 327GB Sun StorEdge T3ES Rack Installed version. It includes 2 x T3 arrays, 256MB cache, 18x18.2GB 10K-rpm 1-inch LP FC-AL drives. Customer Returns: Four SSA 112/114 systems with minimum 63GB each OR Two SSA 2XX systems with minimum 164GB each OR One A5000 with 254GB.