3 pack - 1/8" DDS-4 Cartridge 100m 20GB Native/40GB Compressed Capacity - Easily backup restore archive copy distribute or manage your data with this premium DDS cartridge. High-quality tape features protective backcoating for greater reliability. Engineered and optimized to provide dependable recovery. For Drive Type: DDS Compatibility: DAT 40 DDS-3 DDS-4 Maximum Native Data Capacity: 20 GB Maximum Compressed Data Capacity: 40 GB.