The HP StorageWorks Disk System 2110 (ds2110) delivers an industry leading, high-capacity 1U storage solution. This entry-level, rack-optimized enclosure features open system compatibility with UNIX, Linux and Windows operating system support, and offers the industry's lowest cost of entry. Because it's built with HP's commitment to developing dependable products and service, the HP StorageWorks Disk System 2110 ensures data integrity and manageability. The ds2110 has four hot pluggable slots, with individual disk capacities from 18 to 146 GB. The ds2110 capacity can exceed 500 GB with 146 GB drives. It also provides 320 MB/s transfer speed with U320 SCSI technology, all in a compact 1U package. The ds2110 is also backward compatible with existing U160 disks and HBAs. The disks and enclosure can be optionally already installed in racks for ease of integration. For "set-it-and-forget-it" storage, your best choice is the ds2110.The HP StorageWorks disk system enclosure design allows for specific configurations tailored to the needs of all HP server and workstation customers. This field rackmountable four-drive empty enclosure features single bus and single power support.