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There's flash, and then there's flash.

Say, the Siemens PLCs I earn my living programming uses SD cards which range from 64kB to, uh, 128MB, methinks.

They still work after decades, so clearly, you can get long term reliable flash storage; just don't expect to be able to store your 4k holiday videos on them.

NOTAMs, on the other hand? Go ahead!

 help



> just don't expect to be able to store your 4k holiday videos on them.

SanDisk's Extreme Pro range will disagree with you on that front. I have never seen a worn out card out of that range.




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