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. Includes 2 x T3 arrays, 256MB cache, 18x18.2GB 10K-rpm 1-inch LP FC-AL drives. Customer Returns: Four SSA 112/114 systems w/minimum 63GB each or two SSA 2XX systems w/minimum 164GB each or one A5000 with 254GB.