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An example of primary storage. 15 GB PATA hard disk drive (HDD) from 1999. When connected to a computer it serves as secondary storage. 160 GB SDLT tape cartridge, an example of off-line storage. When used within a robotic tape library, it is classified as tertiary storage instead. Read/Write DVD drive with cradle for media extended
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.
Portable solid-state drive (SSD) is a common solid-state storage device that uses semiconductor cells on integrated circuit assemblies for mass storage. Compared to hard disk drives and similar electromechanical disk storage that use moving physical parts to spin a platter or disc, SSDs are typically more compact, quieter, more resistant to ...
REV is a removable hard disk storage system from Iomega, released in 2004. [1] [2] The small removable disks store 35, 70, or 120 gigabytes (GB) and are hard-drive technology. Like a standard hard drive, the REV system uses a flying head to read and write data to a spinning platter. The removable disks contained the platter, spindle, and motor ...
A disk drive is a device implementing such a storage mechanism. Notable types are hard disk drives (HDD), containing one or more non-removable rigid platters ; the floppy disk drive (FDD) and its removable floppy disk ; and various optical disc drives (ODD) and associated optical disc media.
Cloud storage offers a convenient way to back up important files and photos, and even to maximize your hard drive space to store files you really need, rather than those you only access once in a...
The IBM 2315 disk cartridge stored 1 megabyte of data. An early disk cartridge was a single hard disk platter encased in a protective plastic shell. When the removable cartridge was inserted into the cartridge drive peripheral device, the read/write heads of the drive could access the magnetic data storage surface of the platter through holes in the shell.
1994 – Maxtor introduces the first 5 mm thick hard drive. [26] 1996 – Seagate ships the first 10,000-rpm hard drive, the Cheetah [42] 1997 – IBM Deskstar 16 GB "Titan" – 16,800 megabytes, five 3.5-inch disks; first Giant Magnetoresistance (GMR) heads; 1997 – Seagate introduces the first hard drive with fluid bearings [44]