$90 $125
Blitz Deal, newsletter subscribers only (sign up). Ends 4/24. Newegg has the Western Digital WD Red NAS WD40EFRX 4TB SATA3 64MB Cache 3.5" Internal Hard Drive for $119 - $29 off with coupon code EMCDHFE24 [Exp 4/24] = $90 with free shipping.

Features a 6.0Gb/s SATA interface, 3.5" form factor, and is designed and tested for 1- to 5-bay NAS systems.
$90 retail: $125
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Comments & Reviews (5)

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npolite
Ben's cred: 49
Posted 04/23/2020 at 10:32 AM PT
Posted 04/23/2020 at 10:32 AM PT
Be careful when you get the drive that you don't get one of these models instead as they are SMR drives.

Red:

WD20EFAX

WD30EFAX

WD40EFAX

WD60EFAX
petep2112
Ben's cred: 72
Posted 04/23/2020 at 11:36 AM PT
Posted 04/23/2020 at 11:36 AM PT
Thanks. Had no idea WD had started using SMR on their Red drives.
steltek
Ben's cred: 6
Posted 04/23/2020 at 11:49 AM PT
Posted 04/23/2020 at 11:49 AM PT
"Thanks. Had no idea WD had started using SMR on their Red drives." - petep2112

WD has been secretly submarining SMR into drives for the last year while refusing to answer questions.  It finally got be a big enough scandal that WD has finally given some specific affected models as of today:

Not surprised at the Blues (they are throwaway junk anyway), but shockingly, there is even a 2.5" Black on the list!
swreynolds
Ben's cred: 1300
Posted 04/23/2020 at 12:02 PM PT
Posted 04/23/2020 at 12:02 PM PT
They don't play well with other Red drives that aren't SMR in RAIDs. Oh yeah, the performance is terrible because of the variable write times.
b3nz
Ben's cred: 76
Posted 04/23/2020 at 12:17 PM PT
Posted 04/23/2020 at 12:17 PM PT
This drive, with the EFRX suffix, is (thankfully) a CMR drive. You can also look at cache size - 64MB for the CMR drive and 256MB for the SMR. The EFAX suffix indicates (at least right now... who knows how they'll obfuscate it in the future...) and the use of the larger cache to cheat on speed are indicative of the SMR line.

Price & Comment History

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