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In the list those manufacturers that also produce hard disk drives or flash memory are identified. Additionally, the type of memory used in their solid-state drives is noted. This list does not include the manufacturers of specific components of SSDs, such as flash memory controllers. [1]
Hard disk drive (HDD) Price per capacity SSDs are generally more expensive than HDDs and are expected to remain so. As of early 2018, SSD prices were around $0.30 per gigabyte for 4 TB models. [23] HDDs, as of early 2018, were priced around $0.02 to $0.03 per gigabyte for 1 TB models. [23] Storage capacity
Ultrastar is a Western Digital brand of high performance 3.5-inch hard disk drives (HDDs) and solid-state drives (SSDs). [1] The brand was originally introduced by IBM in 1994 for HDDs and was adopted and renamed to "HGST Ultrastar" by HGST after it acquired IBM's HDD business in 2003. Western Digital continued using the HGST prefix for a while ...
Toggle Hard disk drives (HDDs) subsection. 6.1 Internal. 6.2 External. 7 Drive controller and RAID cards. 8 Solid-state drives (SSDs) 9 Optical disc drives (ODDs) 10 ...
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.
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