![]() Rather than storing data sequentially, HDDs store data using random-access methods. ![]() HDDs store data using spinning platters coated with a magnetic material, while a magnetic head mounted on a moving actuator arm reads data from the platter and writes data to it. HDD: The HDD is the oldest type of internal hard drive, invented in 1954. Internal hard drives are divided into three distinct categories: the traditional magnetic storage hard disk drive (HDD), the solid-state drive (SSD) and the hybrid drive. When looking for an internal hard drive, there are several things you need to consider, including storage type, capacity, speed, and other features. ![]() If you’re looking for a drive for your NAS, be sure to select one that specifically advertises that. Some hard drives are designed to work with network-attached storage (NAS) servers.
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