A hard disk drive (HDD) is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material.
They are gradually being replaced by solid-state drives (SSD).
Note: You can use the tag hard_drive for both types (HDD & SSD).
The following tags are aliased to this tag: hard_disc_drive, hard_disk_drive, and harddrive (learn more).