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Adam_a

Western Digital Announced 18TB CMR & 20TB SMR HDDs For 2020

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As data continues to grow so does the need for dense storage. While flash storage has made major strides in a capacity to density ratio, most of the data created and stored just doesn’t need the performance provided by flash nor the cost associated with it. A technology that helps get more data in the same space is SMR. Western Digital plans on meeting these needs with the best TCO with its new SMR and CMR HDDs.

 

 

 

Western Digital Announced 18TB CMR & 20TB SMR HDDs For 2020

 

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As 16TB drives already require 9 platters, a conventional 18 needs 12.5% higher overall density. Or about 6% linear density increase AND 6% tracks increase.

Are these the first MAMR drives?

We keep getting promised HAMR and MAMR drives any time, and that further increases are not possible without. Only to keep getting conventional size increases. This isn't exactly a complaint, but they should keep their stories straight.

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Details are a little light honestly. I think WD wanted to remind everyone they're working on this crap and will have higher capacity options soon, since they're not at 16TB yet. We won't even see review samples until full scale production in 2020.

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