Question MSI Z370M Gaming Pro AC - Very slow data transfer speeds through rear IO USBC port

Oct 23, 2020
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I seem to be unable to achieve anything higher that 19MB/s transfer speed through the rear IO USBC port. I have tried with a number of USBC devices (flash drives, external HDD) but they all seem to cap at 19MB/s. I have tried updating my chipset drivers from the MSI support page, but after running the setup and restarting it made no difference.

I would appreciate any advice and thanks in advance
 

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