HDD makers are speeding up development of higher capacity drives

guest · Oct 2, 2020

HDD makers are speeding up development of higher capacity drives
We might see 24 TB drives by 2022
October 2, 2020
https://www.techspot.com/news/86952-hdd-makers-speeding-up-development-higher-capacity-drives.html

Why it matters: The storage wars are raging on, and SSDs have the upper hand thanks to their blazing fast speeds and ever decreasing prices. HDDs maintain their superiority in terms of price per gigabyte, and they're about to get even better thanks to manufacturers' efforts on moving to ten-platter designs.

And while they won't be able to catch up in speed with something like a Samsung 980 Pro that can hit 7,000 megabytes per second, manufacturers are getting more creative with squeezing more bits in the same volume.
In the last few years, HDD manufacturers have adopted new heat-assisted magnetic recording and shingled magnetic recording technologies [...]
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Another way to increase storage density is to increase the number of platters in every drive. Ever since Toshiba went to nine platters per drive, this became a standard across the industry for flagship HDDs. According to a report from StorageNewsletter, manufacturers are getting ready to make the jump to ten-platter designs.

This is also confirmed by market analysts at Trendfocus, who recently said HDD manufacturers have requested new magnetic substrate samples less than 0.5 mm in thickness.
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Eventually, HDD makers could cram up to 12 platters on a single drive. Trendfocus says we should expect 24 TB HDDs to be commercially available by 2022, but those will most likely only use ten platters.
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