It is not true at all that all the HD are the same in term of
reliability.

Also between the same brand there is a lot of variability in the MTBF
(Mean Time Before Failure) between different models.
MTBF is rating indicating the expected number of power on hours (POH)
before failure will occur.

Hard Disk for use on servers have a much higher MTBF, but they are also
more expensive.

I cannot say which brand is better, but just for fun I have compared
two Samsung HD of the same size, one was 330'000 POH and the other
600'000 POH; that mean that one is much likely to fail than the other.

The bottom line is: if you want reliability just check the MTBF before
you buy, you can always found them in the web site of the
manufacturers. If you are unlucky of course your "better" hard disk can
fail earlier than another which has a worst MTBF, but on average it does
matter. For the same reason it does not make much sense to refer to
their own experience with a couple of HD

Aragorn


-- 
Aragorn
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