The NAS finally has a proper case and is no longer using the old original Web Server case from 2011! However, this may make setting up the NAS with entirely new SAS drives a bit more difficult.

I did keep the old case for other purposes, and the old data integrity notice is still on the case.

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During the migration to the new case, I managed to drop the last two RAID5 drives and the system drive from short distances. Almost surprisingly, they are still running perfectly so far. Not too worried about the system drive as there are backups of that, but not so much the data on the RAID5 setup...