I have an old one from 10 years ago (WD40EFRX), transfer rate 750MB/s, the new one is supposed to get (only?) 175 MB/s, both at 5400rpm. Do I understand correctly that the new ones are massively slower than the old ones from 10 years ago?

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Accepted Answer

According to the specs, the old one should be able to do 150MB/s, you can also test it at home, only SSDs can do 750MB/s and more.

Datasheet of the old one:
https://www.compare.de/datacontent.php?EAN=0718037810058

Difference to the new one will be SMR/CMR, there are already many threads about this, maybe this link will help you
https://www.hardwareluxx.de/community/threads/unterschied-zwischen-wd40efax-und-wd40efrx.1266616/

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Question about WD Red Plus

I have an old one from 10 years ago (WD40EFRX), transfer rate 750MB/s, the new one is supposed to get (only?) 175 MB/s, both at 5400rpm. Do I understand correctly that the new ones are massively slower than the old ones from 10 years ago?