Quote Originally Posted by johnw View Post
I'm pretty sure it is (1), as I explained previously (except I don't think Intel does it, at least not the the extent that Samsung and Micron do). Assuming you are talking about the SSD level, and not the bare flash level. As I said in my previous post, I think it is done after the SSD circuit board has been assembled.

I guess Ao1 didn't see my post.
Yes, but the Samsung's factory reallocation was evident in the SMART data. The M4 doesn't have any, so that's still impressive whether factory bad block invalidations are invisible to smart data or not... its still awesome.