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2. Disk enclosure - Wikipedia

   en.wikipedia.org/wiki/Disk_enclosure

   An external hard drive enclosure that uses a 2.5-in drive and a USB connection for power and transfer. Key benefits to using external disk enclosures include: Adding additional storage space and media types to small form factor and laptop computers, as well as sealed embedded systems such as digital video recorders [1] and video game consoles. [2]

3. External storage - Wikipedia

   en.wikipedia.org/wiki/External_storage

   Initially all external storage, tape and hard disk drives are today available as both internal and external storage. In the 1964 removable disk media was introduced by the IBM 2310 disk drive with its 2315 cartridge used in IBM 1800 and IBM 1130 computers. [ 7 ]

4. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   Two 2.5" external USB hard drives Seagate Hard Drive with a controller board to convert SATA to USB, FireWire, and eSATA Current external hard disk drives typically connect via USB-C; earlier models use USB-B (sometimes with using of a pair of ports for better bandwidth) or (rarely) eSATA connection. Variants using USB 2.0 interface generally ...

5. Computer case - Wikipedia

   en.wikipedia.org/wiki/Computer_case

   In the past, many tower cases (including full tower cases) intended to house file servers featured a locking door covering the external drive bays. This was a security feature intended to prevent the theft of the CD-ROM discs the drives would be holding. At the time, CD-ROM capacity was larger than the hard disks available, and many business ...

6. Disk array - Wikipedia

   en.wikipedia.org/wiki/Disk_array

   HP EVA4400 storage array, consisting of 2U controller enclosure (top) and 4 2U disk shelves. A disk array is a disk storage system which contains multiple disk drives. [1] It is differentiated from a disk enclosure, in that an array has cache memory and advanced functionality, like RAID, deduplication, encryption and virtualization.

7. Portable storage device - Wikipedia

   en.wikipedia.org/wiki/Portable_storage_device

   Most modern PSDs are dedicated solid-state drives (SSD) that are connected to a computer and powered via USB ports. Some PSDs, usually those from before the wide adoption of SSDs, are modified hard disk drives via the installation of a disk enclosure , and require an additional AC adapter as the power required to operate the drive typically ...