[Bug 211713] NVME controller failure: resetting (Samsung SM961 SSD Drives)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211713

--- Comment #38 from stb at lassitu.de ---
(In reply to stb from comment #34)

One more detail: the SM961 support PCIe 3.0 with 4 lanes, but the M.2 socket on
the X11SSH-F provides only two lanes.  I have no idea whether this should make
a difference in function or not, but it will limit the theoretical performance
to about 2 GB/s.

With that in mind, my numbers look like its using the available bandwidth
fully.  I guess there appears to be no performance penalty, at least for large,
linear transfers.

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