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This shouldn't de downvoted, it's a fair question. Just a few years ago ECC was widely considered an unnecessary belt-and-suspenders thing that made enterprise hardware expensive. I guess the general perception changed with the Rowhammer attack.



I don't think so. Well before Rowhammer, Google published their paper showing the high amount of memory errors they get.

What's changed is higher memory densities, making it even more important.


It only made things expensive because of low segmented volume. Otherwise it's a 10% bump on RAM and free on everything else.




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