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> I have 128 GB of non-ecc memory in my notebook, never detected a single error

How would you know?

I know that I never detected them. Also it never crashed nor malfunctioned in any way (thanks in part to Linux), so any undetected error didn't caused any problem.

There's been plenty of studies they measure bit flips in memory. If you really wanted to measure, you'd find them without much difficulty.

Yes though, when you have gobs of memory, you're unlikely to see the effects of bit flips. That's not the same at them not occuring.

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