imation SLR Data Cartridges, SLR 50, 50GB / These precision-engineered cartridges are perfect for backing up files and archiving data. To save you time and spare you aggravation, they`re optimized for automation. When it comes to consistent, error-free operation, these high quality cartridges have few rivals. For additional convenience, they also feature an extended shelf life. For Drive Type: SLR, QIC; Compatibility: MLR3; SLR100; SLR140; SLR50; SLR60; SLR75; Maximum Native Data Capacity : 25.0 GB; Maximum Compressed Data Capacity : 50.0 GB.