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

submitted 2 days ago by veeesix@lemmy.ca to c/selfhosted@lemmy.world

125 comments fedilink hide all child comments

cross-posted from: https://beehaw.org/post/24650125

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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[–] myserverisdown@lemmy.world 13 points 2 days ago (2 children)

140 TB is a whole heck of a lot of movies and TV shows

[–] wltr@discuss.tchncs.de 2 points 1 day ago

Imagine buying one for cheap because it has some bad blocks and it’s unreliable to keep real valuable data on it! I have a 8 TB HDD bought for like less than a $100 a decade ago, from a friend though, as he had some bad blocks there. I host only media for the HTPC there, but it’s been a solid all these years. And when it dies, sad, but nothing valuable that I cannot redownload.

[–] Kushan@lemmy.world 10 points 2 days ago (1 children)

It's about the storage I have in my server right now - using 15 drives ☠️

[–] brygphilomena@lemmy.dbzer0.com 2 points 1 day ago (1 children)

It's about half of mine, with about 30 drives. Whatcha running?

[–] Kushan@lemmy.world 3 points 1 day ago

I'm running a TrueNAS build which has just grown in time. Started off at 5x8TB drives, then added 5x16TB drives and just last week added another 5x26TB drives (that was costly ☠️). It's all running in a very cheap case using an old threadripper machine I had (2950x), which thankfully supports ECC (128GB purchased years ago before the sillyness).