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 Post subject: WD60EFAX vs WD60EFRX
PostPosted: Fri Jun 07, 2019 1:17 am 
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Joined: Sat Nov 16, 2013 12:48 pm
Posts: 45
Location: Europe
Looks like there is a new 6 TB WD Red replacing older WD60EFRX.

Anyone used it? Is it still not helium?
https://www.amazon.com/dp/B07MYL7KVK


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 Post subject: Re: WD60EFAX vs WD60EFRX
PostPosted: Sat Jun 29, 2019 10:01 pm 
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Joined: Sun Apr 21, 2019 3:57 pm
Posts: 4
FWIW, the WD80EFAX is a rebranded HGST helium model. It reports a speed of 5400 RPM via the ATA Identify Device command, but may actually be spinning at 7200 RPM.


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 Post subject: Re: WD60EFAX vs WD60EFRX
PostPosted: Sat Jun 29, 2019 10:28 pm 
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Joined: Sun Apr 21, 2019 3:57 pm
Posts: 4
Here is a HD Tune read benchmark for a WD100EFAX:

https://aphnetworks.com/reviews/western-digital-red-wd100efax-10tb/7
https://aphnetworks.com/review/western-digital-red-wd100efax-10tb/hdtune.png

Note that the width of the access time graph is about 8ms which is the max rotational latency of a 7200 RPM drive. However, WD's spec sheet states that the drive's performance is "5400 RPM class".

https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-red-hdd/data-sheet-western-digital-wd-red-hdd-2879-800002.pdf

Once again, the WWN on the label belongs to HGST (5000CCA...):

https://aphnetworks.com/review/western-digital-red-wd100efax-10tb/003.JPG


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