1U Rackmount enclosure with DualPAK removable drive carriers that accept two hard drives each. Ideal for disk-to-disk backup where users can "pull" a backup snap shot at anytime. Rugged Sheet Metal Design and Shock-mounted DualPAK multi-disk removable drive carriers for drive protection during operation, removal, transporting and storage. Available in Quad RAID (eSATA, USB 2.0, FireWire 800/400) or Multilane Point-to-Point SAS/SATA JBOD.