SSD's for archiving

Soldato
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11 Jun 2003
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Considering how cheap some of the smaller end drives are now (£25 for 250 for a fairly cheap no-name) is there any degradation expected in SSD's physical properties over time?

I guess the odd stray element of "bit rot" might be a thing but... otherwise?
I'm considering sticking a bunch of old photo's/documents and stuff that really would be a massive heartache/pain in the ass to lose on an SSD or 2 to keep at parents/friends places for if the worst happened here (a fire/similar). It's basically the photo folder from every smart phone I've owned, a backup of most of the wife's too and old docs that can't be lost. It's rather a lot of "life". (a good... 15 years + of).

Thinking SSD as they generally seem rather more robust and able to take a little mishandling (certainly compared to hdd). CD's and things have a lifespan on the organic material used for the recording medium, hard drives tend to fair poorly if not well handled.... anything major against SSD's?

Thinking sata at the moment but... USB could work too of course. I'm thinking in the case of both sata and USB... connectivity standards move on but... it's still completely possible to get hold of IDE interfaces and they've been out of computers for... probably the last 20 years at least.
 
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Typical SSD is likely bad for such long term cold storage without power.
Especially cheapest ones.
Suspect quite a few of those use QLC Flash, which is pretty much semi analog storage needing dinstinguishing between 16 charge states to avoid error!
That leaves really no margin for cell charge degradation and suspect QLC drives periodically rewrite data to prevent it from evaporating.

8 charge level TLC suffered from that when Samsung brought it out in tiny transistor planar NAND.
That was later bubblegum fixed by firmware which keeps refreshing data.
 
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