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“We just lost 3TB of data on a SanDisk Extreme SSD” - The Verge
(www.theverge.com)
This is a most excellent place for technology news and articles.
These drives have a very different use case than a rack mount NAS. They're portable ruggedized devices for field use, like dumping content from your camera so you can keep shooting. Two would be better but it sounds like a known flaw that is causing random, frequent losses.