The RDX removable disk backup system offers fast disk based performance with the ability to store 320 GB of data on a single removable disk cartridge. Portable, durable and rugged removable disk cartridges enable you too simply and securely store backups off site for complete data protection and peace of mind. Disk cartridge stores 320GB of data with 25MB to 30MB file transfer and is shockproof to a 3' drop. Long usage life offers more than 5,000 load/unload insertions. Removable disk cartridges are forward and backward with compatible RDX docking stations. Flexibly meet your budget and capacity requirements. Scaling capacity is a simple matter of adding cartridges. The HP RDX docking station will work with all current and future higher capacity cartridges so the system is fully future proof.