Redditor /u/Amaroko positioned this WD Blue drive on an empty cardboard field, and held a Blue Yeti mic simply above it whereas it powered on. Spectral evaluation of the audio reveals a 90Hz baseline—90 cycles (revs) per second and 60 seconds per minute works out to five,400RPM. [credit: Amaroko ]
Final week, the positive Redditors of /r/DataHoarder bought upset with Western Digital once more—this time, for misrepresenting the rotational velocity of their WD Crimson Community Connected Storage laborious drives. (Though the linked put up brings issues to a head, members of the German-language discussion board hardwareluxx.de started investigating the problem greater than yr in the past.)
We discovered this controversy harking back to earlier complaints that Western Digital was not correctly disclosing use of Shingled Magnetic Recording expertise of their NAS drives. However the brand new criticism is that Western Digital calls 7200RPM drives “5400 RPM Class”—and the drives’ personal firmware report 5400 RPM through the SMART interface.
Just lately, redditor /u/Amaroko got down to show or disprove earlier netizens’ findings. For every of a number of drive fashions, Amoroko positioned a pattern of that drive on an empty cardboard field, with a Blue Yeti mic held straight above it, then powered the drive on. Spectral evaluation of the recorded audio utilizing Adobe Audition confirmed a baseline frequency of 120Hz for 2 fashions of WD 8TB “5400 RPM class” drive.
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