The industry-leading Sun StorageTek 9990 system provides the highest levels of performance, connectivity and availability for mission-critical environments.The Sun StorageTek 9900 is a key component of core business applications in Financial Services, Energy, Government and Telecommunications organizations. Providing extreme performance and flexibility to support demanding on-line needs. IT organizations can consolidate multiple disk systems into a single 9990 system, gain advanced functionality and performance and simplify their operations.