Nortel NTAK30DB Tape Drive Case with Tandberg SLR5 4/8 GB SCSI External Tape Drive.Nortel Model Number: NTAK30DBTandberg Model Number: SLR5 4/8 GBSpecifications:Capacity: 4.0GB / 8.0GB (hardware compressed)Per Minute: 24 / 48 (hardware compressed)Per Hour: 2.88GBI/O Panel Interface: 2 LED indicators