The increased capacity of these cartridges perfectly matches today"s storage and backup requirements making it possible to reduce the amount of equipment space and human intervention needed for daily tape operations. Though the cartridges may be used with any compatible Ultrium LTO drive each features an LTO Cartridge Memory (LTO-CM) chip that enables faster simultaneous transfer of cartridge-dependent data during media load and unload cycles when used with IBM tape drives. A Statistical Analysis and Reporting System (SARS) is also stored in each cartridge"s memory for easy status monitoring. Regardless of the manufacturer of your machine these reliable durable cartridges are definitely designed to withstand the rigors of normal use in both stand-alone and automated environments. For Drive Type: LTO; Compatibility: Ultrium LTO 3; Maximum Native Data Capacity: 400.0 GB; Maximum Compressed Data Capacity: 800.0 GB.