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Thought I was being clever...
(lemmy.ca)
...in using my Framework 2.5GbE cards to speed up a large data transfer to 2.5Gb. Got 0.28 instead. 🤭
These aren't the USB-A to USB-C adapters I was looking for. 😂
USB 3.1 is 10Gb/s so it should work but as you noted yourself, these adapters are in my experience often just USB 2.0
If it doesnt have the extra pins needed for USB 3.0 then its the adapters fault. https://en.wikipedia.org/wiki/USB#Connector_type_quick_reference
I think I found one that has the pins. It's by OWC and I think they've "solved" the fact that it can be dangerous if the wrong thing plugs into it by permanently tethering it to their USB-C cable.
Yup, that's my hypothesis as well!