RDX Removable Hard Disk Drive Storage Solution makes data backups easier, more reliable, more secure, and faster with certified USB 3.0 SuperSpeed. Internal RDX USB 3.0 Dock (3.5") is compatible with IBM, Dell, Quantum and HP RDX Systems. RDX removable hard disk cartridges and docks back up data like a tape drive with the instant access of a hard drive. It is a timely replacement for 8mm, VXA and DLT performance tapes. RDX supports your company as your data needs expand. It's easy. Simply add another RDX hard disk drive cartridge of any capacity.