Certified cartridges are specifically engineered for data storage. Uniform magnetic-coated surface ensures dependable recording & preservation. A unique backcoating helps prevent frictional changes associated with repeated usage to maintain stable tape performance. The high-precision design reduces friction between the lid & shell, minimizing wear & tear. Made of heat & shock-resistant ABS resin to assure stable tape transport & to provide protection in the toughest conditions. Durable storage case protects the tape from dust particles & absorbs physical shock during transportation & handling. For Drive Type: Mammoth; Compatibility: Mammoth; Maximum Native Data Capacity: 20 GB; Maximum Compressed Data Capacity: 40 GB.