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Saturday, July 17, 2021
Slow speed and catastrophic failure
Bought two of these units (WD40EFRX-68N32N0) 3.3 years ago for a home NAS. One of the units start showing some recoverable errors right after warranty expiration and has since failed irrecoverably. NOT recommended for NAS.
Sunday, January 31, 2021
WD really messed up with these drives. They sold shingled drives as NAS drives. If this is for a single drive device, its fine, if this is for a multi-drive NAS make sure you go with the Red Plus drives. It was a big shady of Wester Digital to sell these as NAS drives. The write performance is going to be abysmal, read performance will be fine. Just get the Red Plus for NAS devices.
Sunday, December 27, 2020
Fine as a single drive backup device.
SMR technology used in these drives is NOT desirable for a RAID backup solution. Reads are Ok however large writes and RAID /rebuild are so slow it makes the RAID functionality almost unusable. In one reliable test it took over 9 days to resilver a 4TB drive and that is with no other read/writes being performed, so really useless for RAID.
Not good for RAID use. Problems have also occurred when mixing CMR tech. with these SMR drives. Just what you need on your RAID array, NOT! P.S.other companies are using SMR as well, so keep your head up.
Thursday, July 09, 2020
By: WestCoast Tech Guy
There is nothing positive to say about these drives.
If you plan to use these for their intended (marketed) purpose, you will be massively disappointed. The model these replaced averaged a solid 153MiB/sec to 159MiB/sec transfer speed when I was copying/backing up 1.2TB worth of data. These new SMR technology drives start off fast and within 10 minutes slow down to a painful 10MiB/sec to 18MiB/sec transfer speed. This is not a drive you want to use for NAS purposes.
Great for a media server drive (reads only) but anything that requires massive writes will bog this drive down to snail speeds. STAY CLEAR OF THIS DRIVE FOR NAS USE!!!
Sunday, June 14, 2020
Uses SMR technology which totally obliterates mirroring performance.
I have 2 of these drives, and having them upsets me. I bought them for a data redundancy system in my PC (I have a great deal of storage files which are irreplaceable), but their performance in a mirrored setup is ABYSMAL due to SMR tech having been surreptitiously used in them to keep production cost down, while simultaneously hobbling multi-drive performance. If I buy drives marketed for NAS purposes, I expect them to be designed to WORK PROPERLY in a multi-drive configuration. Western Digital is currently the defendant of a lawsuit over this. If you want one, buy ONE. But DO NOT buy these to use in a multi-drive configuration such as RAID or software mirroring in W10.