Quantums DDS cartridges have MRS (Media Recognition System) to inform the DDS drive that this medium is certified for the DDS system. Quantums DDS data cartridges have an extremely smooth base film giving the magnetic layer a mirror finish to reduce the spacing loss that causes errors. Thanks to their outstanding static resistance, these data cartridges prevent dust accumulation, maintaining their exceptionally low error rate over an extended working life. These easy-to-handle compact cartridges provide cost-efficient backup & long-term archiving options, making it an ideal choice for your specific back-up & archive applications. Quantum CDM40 DDS4 DAT&65279;&65279;&65279; data cartridges are precision manufactured to tight specifications, assuring consistent high quality & reliability.&65279; Quantum CDM40 DDS4 DAT data tape are compatible will all DDS-4 tape drives.&65279;&65279; Features Recording technology DDS-4 40 GB Compressed 2:1; Supported Tape length 150m Suitable for 2000 passes or 100 full backups Limited Lifetime Warranty