The HP StorageWorks XP24000 is HP's enterprise Tier 1 storage product. In this report, ESG Lab examines recently introduced XP24000 capabilities and features such as 1) external storage disaster recovery (ESDR), 2) solid state disk (SSD), 3) thin provisioning pool reclamation, and 4) dynamic pool rebalancing. ESG Lab has documented the results of hands-on testing of the HP StorageWorks XP24000 Disk Array in a number of other reports since its release in 2007. These earlier reports have examined a number of additional valuable capabilities, including external virtualization, thin provisioning, and bulletproof disaster recovery. To read the report, go to HP XP24000: Enterprise-Class Storage Virtualization for Mission-Critical IT.