Western Digital Red Plus; A Vaccine Against Shingles

Source: Ars Technica Western Digital Red Plus; A Vaccine Against Shingles

Colour Us Unsurprised

As is tradition in this sector, when tests of Western Digital’s Red series of NAS drives revealed that the line was a mix of SMR and CMR drives with no distinguishing marks to distinguish them, they defended their use of it.  This discovery also revealed that Seagate and Toshiba were also selling SMR drives which were not indicated as such, so the investigation has had a beneficial effect on a large part of the market and not just WD.

Thankfully WD quickly realized that the issues which can be caused by adding an SMR drive to a NAS were serious enough that avoiding the issue was not an effective solution and they released information on which models in every family of their HDDs contained SMR or CMR.  The Blue line remains a mixture of SMR and CMR drives, in their case SMR or CMR does not make as much of a difference as they are used to provide larger storage in PCs and laptops.

Today, Ars Technica revealed WD’s next step to help customers regain faith in their Red line for NAS drives … they are rebranding CMR based drives as Red Plus.  If you see a Red drive for sale it will be shingled, a Red Plus or Pro will use conventional magnetic recording which is appropriate for NAS usage, especially ZFS based ones, as the Red family is advertised.

This passes the onus on retailers to quickly update their websites and inventory, there was no recall so there are still plenty of SMR Reds out there on the market.  In theory you will be able to match serial numbers of existing drives to the rebranded ones, but you will have to depend the accuracy of your suppliers documentation; it would be wise to verify the digits after your new drive arrives with no Plus to indicate the technology inside.

The company is taking a new branding initiative to clarify the technology used in its NAS drives—in the near future, "WD Red" will exclusively mean disks using Shingled Magnetic Recording technology, and "WD Red Plus" will mean disks using Conventional Magnetic Recording.

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About The Author

Jeremy Hellstrom

Call it K7M.com, AMDMB.com, or PC Perspective, Jeremy has been hanging out and then working with the gang here for years. Apart from the front page you might find him on the BOINC Forums or possibly the Fraggin' Frogs if he has the time.


  1. willmore

    Over price and under performing. Now with 10x more underperforming!

    Thanks, WD.

  2. Dvon E

    Should have just called the SMR line Red* (Red Star) as they are Red (suitable for NAS) with an * footnote.

    * not exactly

  3. bob

    WD in the WC

    • Jeremy Hellstrom

      I like the way you think.


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