These Imation Black Watch 11774 tape cartridges are DLT III tape media. Each of these 11774 tape cartridges can store 10 GB of native and 20 GB of compressed data. These Imation 11774 tape cartridges bear the DLT logo because they have passed Quantum’s qualification process. The 11774 represents the ultimate in durability, these DLT III cartridges can last for more than 500,000 passes or over 20 years in archival storage. The Imation 11774 tape is compatible with DLT260/600, DLT 2000, DLT 2000XT, DLT 4000 and DLT 7000 tape drives and auto-libraries.