4
Helium
There are a lot of factors. Manufacturing process, head, lubrication, insulation, material thickness.
Nobody can give you a specific answer without a forensic teardown. I would say it's probably the casing, refinements in head size, and noise canceling insulation inside the drive.
Drive noise measurement is always a frustrating thing to keep track of. It's much easier to just find a solution to isolate the drive noise completely and not worry about it.
I have a similar experience, but with Seagate's Exos drives. I have several months old pair of Exos x16 16tb and they seem a lot quieter than my older pair of Exos 7E8 8tb drives. I didn't look at any spec sheets though, just a feeling.
this post was submitted on 29 Nov 2023
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