This document discusses Sun's StorageTek 2500 series arrays. It provides an overview of where the ST2500 fits within Sun's storage portfolio as extending their modular family below $15,000. Key features of the ST2500 that address customer needs are discussed, including simple management, small footprint, strong performance under $10K, and reliable data protection under $10K. Common features of the ST2500 series are also reviewed such as dual controllers, various host port options, RAID levels, cache memory size, drive tray configuration and maximum drives.