I am currently trying to unlock WDC drive, and am having quite a bit of trouble. My PC-3000 is unable to autodetect the correct HDD family, and if I select a family, even if it is the incorrect family, the terminal in the PC-3000 shows "SED Locked" and refuses to give me any modules (unlike other WD drives that may give me some type of information even with the wrong family selected).

Is there some correct way to unlock it? I have a COM port installed (although I am not too familiar with using it) and when I try to run reading ROM through the COM port that also gives me problems.

is there some way to unlock the SED Locked drives properly so that I am able to run and test some modules?

Can you show us a photo of the label?

Could it be a rebadged HGST model, or perhaps it has WD's latest firmware architecture? If you can dump the ROM, I can identify it for you.

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A backup a day keeps DR away.

The family is Venice and it is not supported by PC3000 yet.
COM port is blocked on those.

I can unlock those but not remotely.

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SAN, NAS, RAID, Server, and HDD Data Recovery.

WD's warranty checker site provides useful info these days:
https://support-en.wd.com/app/warrantystatus

WX51DB8P76RY IN LIMITED WARRANTY
WD60EZAZ-00ZGHB0
VENICE
5400 256M SATA3 6GB/S
6.0 TB 6HD STD
8-Mar-2021

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A backup a day keeps DR away.