Imation RDXA Removable Hard Disk Cartridges contain a 2.5-inch hard disk drive that offers all of the advantages of disk-to-disk storage. Available in various capacities, Imation RDX cartridges are compatible and interchangeable with all RDX and RD1000 removable hard disk docks on the market. PRODUCT FEATURES: Durable shock-protected cartridge design; Tested to withstand up to a one-meter drop; Sealed HDD within anti-static cartridge.