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Western Digital details 14-platter 3.5-inch HAMR HDD designs with 140 TB and beyond (www.tomshardware.com)

submitted 1 day ago by Powderhorn@beehaw.org to c/technology@beehaw.org

10 comments fedilink hide all child comments

Because nothing says "fun" quite like having to restore a RAID that just saw 140TB fail.

Western Digital this week outlined its near-term and mid-term plans to increase hard drive capacities to around 60TB and beyond with optimizations that significantly increase HDD performance for the AI and cloud era. In addition, the company outlined its longer-term vision for hard disk drives' evolution that includes a new laser technology for heat-assisted magnetic recording (HAMR), new platters with higher areal density, and HDD assemblies with up to 14 platters. As a result, WD will be able to offer drives beyond 140 TB in the 2030s.

Western Digital plans to volume produce its inaugural commercial hard drives featuring HAMR technology next year, with capacities rising from 40TB (CMR) or 44TB (SMR) in late 2026, with production ramping in 2027. These drives will use the company's proven 11-platter platform with high-density media as well as HAMR heads with edge-emitting lasers that heat iron-platinum alloy (FePt) on top of platters to its Curie temperature — the point at which its magnetic properties change — and reducing its magnetic coercivity before writing data.

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[–] panda_abyss@lemmy.ca 9 points 1 day ago (2 children)

That is so cool

You could buy a few of these, run them in RAID, and be able to store all of the mahority of businesses complete data on it.

All you need is an offsite backup and that solves so many problems that result in overpaying for cloud.

[–] Powderhorn@beehaw.org 3 points 23 hours ago (1 children)

So, rebuild the array offsite after swapping in the good drive?

[–] chahk@beehaw.org 2 points 8 hours ago

"Hey everyone, I'm kicking off the array rebuild. See you all in a month."