The IBM SCSI Multi-Storage Enclosure provides flexible external expansion capacity for PC Servers needing additional storage or media options. A flexible mix of disk drive capacities are supported, plus bays for tape drives or other SCSI devices.It supports 5 hot-swap drives and contains two 5.25-inch half-height media bays for installation of one or two 4-mm DAT Tapes in the media bays. Lockable door prevents unauthorized access to your drives and data.