“Is this SMR or CMR Drive? P.S. BestBuy should include this in every HDD product discription.”

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• A little bit of researching shows it's SMR (shingled magnetic recording), as are all WD RED. WD Red Plus & WD Red Pro are CMR (conventional magnetic recording) source - https://blog.westerndigital.com/wd-red-nas-drives/

  Answered by VoidDilation 5 years ago

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• Website for WD blog provided by other users shows that WD Red Plus is CMR not SMR. If the other questions regarding what model number this is (WD40EFRX) are correct, would put this drive under WD Red Plus which is CMR. From: https://blog.westerndigital.com/wd-red-nas-drives/ "WD Red Plus is the new name for conventional magnetic recording (CMR)-based NAS drives in the WD Red family, including all capacities from 1TB to 14TB. These will be the choice for those whose applications require more write-intensive SMB workloads such as ZFS. WD Red Plus in 2TB, 3TB, 4TB and 6TB capacities will be available soon." See attached chart. Hope this was helpful.

  Answered by NASaholic 5 years ago

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• SMR

  Answered by JAG54 5 years ago

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• The part number will discern which is cmr and smr. The manufacturers web site should have that information.

  Answered by Jimbo 5 years ago

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