Western Digital talks about the road to 30TB hard drives

One thing to stay up for: Simply a few weeks after Western Digital launched its first 20-terabyte laborious drive, its CEO spoke at a convention the place he laid out a few of its future plans. They embody particulars on the know-how Western Digital plans to make use of sooner or later to push storage capability even additional.

On the annual Wells Fargo TMT Summit this week, one of many topics Western Digital CEO David Goeckeler spoke about was the corporate’s method to applied sciences like OptiNAND, SRM, and HAMR. Goeckeler considers all three essential to growing density and attending to ever-larger laborious drives.

Final 12 months, Seagate shipped out its 20TB laborious drives, which use HAMR to pick out knowledge middle prospects. Final month, WD launched its personal 20TB drives to basic customers (presently bought out) with OptiNAND know-how, which makes use of flash reminiscence to retailer metadata.

“We’re closely invested in HAMR,” he stated. “HAMR goes to be actual, it should be sooner or later,” Goeckeler stated.

HAMR will enhance the longevity of laborious drives however will even require lots of software program work and will not be commercialized for a number of years.

WD and Seagate each wish to get to 30TB by the center of the last decade, and Seagate intends to achieve 100TB by 2030. Goeckeler thinks WD already has the stepping stones to get there with ePMR (energy-assisted storage), SMR (one other density-increasing technique), and OptiNAND.

“I feel SMR goes to get extra actual and prospects are getting extra actual about it,” the WD boss stated.

A type of steps could possibly be 22TB laborious drives in 2022. WD’s present high-capacity HDD makes use of 9 platters, with 2.2TB per platter. Goeckeler says they’ll launch one with a tenth platter.

One know-how Goeckeler would not point out is MAMR. Western Digital proposed the know-how in 2017, saying it might permit for 40TB laborious drives by 2025.

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