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Comment by kkylin

4 hours ago

Question for all of you more knowledgeble than I: can SMART data be tampered with? When I get, say, a refurbished Mac from Apple, I'm trusting Apple won't stoop to that. But a SSD vendor I've never heard of?

Yes. There are vendor-specific utilities that have escaped into the wild that allow bad actors to reset various SMART counters, etc.

A lot of abuse came to light during the launch and initial mining of the (ridiculous) Chiacoin[1] during which Chia miners would burn through SSDs to within a hair of their usable life, reset their SMART stats, and sell them as new on Amazon or ebay.

As can be seen in my above comment, larger distributors like "Maestro Technologies" have their stock polluted with parts like this and I find it very unlikely that they are not aware of the status of these parts they are selling as new.

[1] https://en.wikipedia.org/wiki/Chia_Network

Yes, it can be tampered with. Drives can even lie about the amount of storage they support. I once bought a 1TB pen drive that was only 32MB for $10. (Yes, I knew it was a scam beforehand.)