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A hard disk drive (HDD), hard disk, hard drive, or fixed disk[a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.
In computing, external storage refers to non-volatile (secondary) data storage outside a computer 's own internal hardware, and thus can be readily disconnected and accessed elsewhere. Such storage devices may refer to removable media (e.g. punched paper, magnetic tape, floppy disk and optical disc), compact flash drives (USB flash drive and ...
SanDisk 1 TB USB-C flash drive (2020 model) next to a 50 cent euro coin. A flash drive (also thumb drive [US], memory stick [UK], and pen drive / pendrive elsewhere) [1][note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc ...
Another example of software that shows the health of the drive and its smart attributes. This Intel 120GB SSD also appears to be in perfect condition. [2] Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T. or SMART) is a monitoring system included in computer hard disk drives (HDDs) and solid-state drives (SSDs). [3]
History of hard disk drives. Historical lowest retail price of computer memory and storage. In 1953, IBM recognized the immediate application for what it termed a "Random Access File" having high capacity and rapid random access at a relatively low cost. [1] After considering technologies such as wire matrices, rod arrays, drums, drum arrays ...
First headquarters of Western Digital (then General Digital) in Newport Beach, California, pictured in 1971. Western Digital was founded on April 23, 1970, by Alvin B. Phillips, a Motorola employee, as General Digital Corporation, initially a manufacturer of MOS test equipment. [12] It was originally based in Newport Beach, California, [13 ...
A solid-state drive (SSD) is a type of solid-state storage device that uses integrated circuits to store data persistently. It is sometimes called semiconductor storage device, solid-state device, and solid-state disk. [1][2] SSDs rely on non-volatile memory, typically NAND flash, to store data in memory cells.
A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields, or suffering a sharp impact or ...