SSDs don’t have any moving components, make no noise, are extra vitality environment friendly, and produce much less heat than HDDs. Because SSDs have no transferring parts to fail, they’re thought-about to be more reliable than HDDs. Tape Drive – Magnetic tapes are most often used for archiving information. At one time they have been useful for backing up PCs, however as HDDs became cheaper, exterior HDD drives are now regularly used for this objective. However, tape backups are still used in enterprise networks. Tape drives use a magnetic read/write head and detachable tape cartridge, as proven in Figure 2.