Makes data backups easier more reliable more secure and now even faster. The RDX system uses rugged removable disk cartridges and docking stations to back up data like a tape drive with the instant access of a hard drive. Cartridge capacities range from 160GB to 1.5TB. RDX is a smart replacement for 8mm VXA and DLT performance tapes. Drive Type: External RDX Cartridge Drive; Maximum Native Data Capacity: 1.5 TB; Connector/Port/Interface: USB 3.0; Transfer Rate: 230 Mbps.