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- Z420 USB 3.0 Speed issue - Slow Transfer

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06-11-2021 07:01 AM
Product: Z420
Operating System: Microsoft Windows 10 (64-bit)
I have two Z420 with Win10 Pro installed and I only get quite ok but slow USB 3.0 transfer speeds. Write ist about 190 Mbyte/s, Read is about 290 Mbyte/s. Tested this with an external m2 NVME that delivers 400-500 Mbyte/s on other machines on USB 3.0 and even over 900 Mbyte/s on USB 3.1 Gen2.
Basically it seems to be the same issue as posted here:
Is there any solution or even a reason why USB 3.0 is slower than it could be on Z420.

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