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Removable media are data storage devices capable of computer system removal without powering off the system. Removable media devices are used for backup, storage or transportation of data.
Examples of removable media include Universal Serial Bus (USB) drives, CDs, DVDs, diskettes and Blu-ray Disc. In addition to portability advantages, removable media are capable of fast data backup and recovery, which are essential corporate requirements. One disadvantage is that removable media are more expensive than data tape.