Here is a case where a WD 1TB Purple HDD is identifying itself with a model number of "WD10E-Niotis" and serial "WDC-ROM SN# XYZ". It is reporting a capacity of 128GiB, and all but one of its SMART thresholds are 0x80 (128), yet the user has full data access and no apparent problems. Windows is also able to access data beyond 128GiB.

https://forums.tomshardware.com/threads/wd10e-niotis-lol-what-is-this-even.3886165/

What's going on?

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A backup a day keeps DR away.

Can you post pictures of each side of this disc?

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Data recovery Poland (RAID, HDD, SSD) - https://hex-serwis.pl

I have already asked the OP for that information, but it's like pulling teeth.

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A backup a day keeps DR away.

Hello there. I am the author of that post in TomHardware.
I have used this drive ever since that post was created. No issues.
A bit noisy and clacky, and totally ruinted smart. However it works.

It seems there is a underbasement china guys making refurbished drives.
I got on my hands WD101PURA on a sticker, which seems to turn out HGST Ultrastar He10.
1 reallocated sector, 34k hours of work.

Investigating how these will perform.