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Wong, Poh-Kam (July 1999). "The Dynamics of the HDD Industry Development in Singapore" (PDF).Centre for Management of Innovation and Technopreneurship, National University of Singapore: The Information Storage Industry Center, Graduate School of International Relations and Pacific Studies, University of California.
The capacity of hard drives has grown exponentially over time. When hard drives became available for personal computers, they offered 5-megabyte capacity. During the mid-1990s the typical hard disk drive for a PC had a capacity in the range of 500 megabyte to 1 gigabyte. [6] As of February 2025 hard disk drives up to 36 TB were available. [7]
The first production IBM hard disk drive, the 350 disk storage, shipped in 1957 as a component of the IBM 305 RAMAC system. It was approximately the size of two large refrigerators and stored five million six-bit characters (3.75 megabytes ) [ 18 ] on a stack of 52 disks (100 surfaces used). [ 27 ]
Western Digital said that the new drives are 35 percent faster than the previous generation. On September 12, 2008, Western Digital shipped a 500 GB 2.5-inch (64 mm) notebook hard drive which is part of their Scorpio Blue series of notebook hard drives. On January 27, 2009, Western Digital shipped the first 2 TB internal hard disk drive. [26]
A 2 GB disk-on-a-module with PATA interface DOM (disk-on-module) SSD. A disk-on-a-module (DOM) is a flash drive with either 40/44-pin Parallel ATA (PATA) or SATA interface, intended to be plugged directly into the motherboard and used as a computer hard disk drive (HDD). DOM devices emulate a traditional hard disk drive, resulting in no need ...
Hard disk drives store data in the magnetic polarization of small patches of the surface coating on a disk. The maximum areal density is defined by the size of the magnetic particles in the surface, as well as the size of the "head" used to read and write the data. In 1956 the first hard drive, the IBM 350, had an areal density of 2,000 bit/in 2.