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March 20, 2019 
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Toshiba HDD roadmap contains SMR, MAMR, TDMR, and HAMR

Posted on Thursday, March 14 2019 @ 11:30:48 CET by


Toshiba logo
Despite solid state disks becoming more commonplace, companies are still hard at work to improve hard disk drive technology. Toshiba, which is a large name in the SSD market, recently outlined its HDD roadmap and it looks like the firm will rely on a mix of technologies to supply the market.

At the moment, Toshiba offers HDDs that use two-dimensional magnetic recording (TDMR) and shingled magnetic recording (SMR). In the near-future, the Japanese firm will also introduce disks that use microwave assisted magnetic recording (MAMR), as well as heat-assisted magnetic recording (HAMR) after that.
Overall, It is not a secret that for years now Toshiba has been working on hard drives featuring SMR technology. However unlike its competitors, the company has yet to introduce any commercial SMR hard drives, so these new MAMR + SMR drives would be the first commercial SMR deployment for the company. SMR of course brings some new performance trade-offs due to the read-modify-write cycle introduced by shingled tracks, but it still makes a great deal of sense for high-capacity HDDs since it allows drive vendors to increase their capacities without switching to a new type of media.
Volume production of the MAMR disks is expected in 2020. HAMR is still a bit further out as that technique requires different platter technology. Further details at AnandTech.



 



 

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