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A disk enclosure refers to a specially-designed chassis (cover box) or casing to hold and cover hard disk drives. A disk enclosure allows these drives to communicate with one or more devices or computers simultaneously. A disk enclosure's structure includes a power supply and data supply sections.
A disk enclosure is also known as a hard drive enclosure.
Most computers come with at least 40 to 80 GB of disk space, which may be insufficient for some users. Disk enclosures can provide the additional storage needed for a device. Other than disk space and external connectivity, disk enclosures also have the following advantages and capabilities:
Different enclosures are available in the consumer market. These include FireWire, USB, optical disk drive and magnetic hard drive enclosures.