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Western Digital labeled these 8 MB models as "Special Edition" and distinguished them with the JB code (the 2 MB models had the BB code). The first 8 MB cache drive was the 100 GB WD1000JB, followed by other models starting with 40 GB capacity. Western Digital advertised the JB models for cost-effective file servers. In October 2001, Western ...
Formerly, but now absorbed into its parent, Western Digital No No HyperOs Systems [11] England: No No No Yes No Imation [12] United States No No Formerly, but this company has exited the storage business. No No Intel [13] United States No Sold its NAND flash memory and SSD businesses to SK Hynix. Intel has terminated its Optane line of memory.
Western Digital rates their VelociRaptor drives for 600,000 load/unload cycles, [65] and WD Green drives for 300,000 cycles; [66] the latter ones are designed to unload heads often to conserve power. On the other hand, the WD3000GLFS (a desktop drive) is specified for only 50,000 load/unload cycles.
The part acquired by Western Digital has retained the "HGST Ultrastar" brand name. 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]
SSD benchmark, showing about 230 MB/s reading speed (blue), 210 MB/s writing speed (red) and about 0.1 ms seek time (green), all independent from the accessed disk location. Traditional HDD benchmarks tend to focus on the performance characteristics such as rotational latency and seek time. As SSDs do not need to spin or seek to locate data ...
Increasing data center machine density has led to problems delivering sufficient power to devices (especially for spin-up), and getting rid of the waste heat subsequently produced, as well as environmental and electrical cost concerns (see green computing). Most hard disk drives today support some form of power management which uses a number of ...