Quad-Bay Raid Array has space-saving, 1U design.

Suited for building shared storage pool for data backup, EonStorĀ® (ES) A04U-G2421 SCSI-to-SATA subsystem features SCSI-320 host channel and support for up to four 3 GB SATA-II disk drives. It provides reliable storage capacity and SATA-II benefits such as dedicated bandwidth for direct attached storage applications. Capable of transfer rates to 320 MB/sec per channel, product features single RAID