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External HDD

A hard disk is a storage device for storing data. It is also called HDD or HD drive, and it is used mainly for storing data outside the computer and backing up data. Some computers can be connected to a TV or recorder. There are various types of external hard disks, such as those equipped with dual cores, built-in power supplies, and those equipped with multiple hard disks. The hard disk cover can also be used externally with an internal hard disk.