Quantum DLT IV (40/80) GB Tapes The Quantum DLT IV is tested to exacting standards for reliability, durability and longevity taking tape media and storage technology to new heights. Providing maximum data integrity and durability for DLT drive users, the Quantum DLT IV tape has 40 GB of native capacity. Also when the data is compressed, each DLTIV tape cartridge has the capacity to store up to 80 GB of data. The DLTIV tape gives you high capacity and long life for excellent backup and archival use. The DLT IV tape cartridge is compatible with DLT 4000, DLT 7000, DLT 8000, and DLT1 VS 80 tape drives. Quantums DLT 4 offers solid reliability, with patented tape technology delivering reliable operation in high duty cycle environment and guaranteeing one million head passes with a negligible impact on soft error rates. The DLT-IV by Quantum offers a maximum archival life of up to 30 years when handled and stored properly.