DDS-2 4MM Tape Cartridges have a native capacity of 4 GB and a compressed capacity of 8 GB. Offers 120m tape length. Imation 4mm data tapes are optimized for network backup. Proven, reliable, high-capacity tape backup. Fast network backup. Usable lifetime of up to 2,000 passes. Minimizes damaging effects of compression to the recording surface. Dissipates harmful static buildup. Reduces tape slippage to ensure uniform signal output. Protects data against effects of wound-in debris. Improves tape winding and stacking.