Super DLTtape drives and cartridges offer a cost effective high performance back-up system. Value DLTtape drives are compact, affordable half-height products and work with affordable, reliable cartridges, like the Sony DLTtape VS1. Sony is proud to be the very first media company licensed by Quantum to manufacture the DLTtape VS1 cartridge. IDC estimates that enterprise storage is increasing 87% per year! Sony DLTtape VS1 media can help. Loaded into a Quantum DLT VS160 drive, a single cartridge can hold up to 160 Gigabytes compressed or 80 GB native.