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The use of long data sectors was suggested in 1998 in a technical paper issued by the National Storage Industry Consortium (NSIC) [2] calling attention to the conflict between continuing increases in areal density and the traditional 512-byte-per-sector format used in hard disk drives. [3]
Western Digital continued using the HGST prefix on product labels, slowly phasing it out. This resulted in that some models were sold under both HGST and WD branding simultaneously (e.g. the HGST Ultrastar He10 and WD Ultrastar HC510 are the same models of HDD). [2] These drives are typically used with enterprise computer systems.
Especially for older "blue rings" models (200 MHz ARM CPU and 32 MiB RAM), where it varies between 3–6 MB/s, [7] with an average of 4.5 MB/s. [8] The newer "white lights" My Book World Edition 1 TB and 2 TB storage capacity models, WDH1NC and WDH2NC (oxnas810, [ 9 ] 380 MHz ARM CPU and 128 MiB RAM), have drive speeds comparable to USB, at ...
In 2007, Western Digital announced the WD GP drive touting rotational speed "between 7200 and 5400 rpm", which is technically correct while also being misleading; the drive spins at 5405 rpm, and the Green Power spin speed is not variable. [22] WD GP drives are programmed to unload the heads whenever idle for a very short period of time. [23]
Sony started two projects applying the new diodes: Ultra Density Optical and, with Pioneer, DVR Blue. [6] The first DVR Blue prototypes were unveiled at the CEATEC exhibition in October 2000. On February 19, 2002, the project was officially announced as Blu-ray , [ 7 ] and the Blu-ray Disc Association was founded by a consortium of nine ...