Sony 4mm DDS-3, 12/24GB The Sony DDS-3 is a robust data cartridge that will help you archive large amounts of data for years to come. Featuring 12 GB of native data capacity and 24 GB compressed capacity, the Sony DDS3 has been developed utilizing the latest in data storage technologies. The Sony DDS3 offers the perfect mix of durability, reliability, and efficiency. With the DDS-3 tape cartridge, you can execute 100 data backups (on average) and/or 2000 tape rotations.