- Aug 19, 2010
- GA-Z390 Designare
- i7 9900K
- UHD630 & Radeon VII
- Mobile Phone
OK. It works. It was a cable issue the entire time.
Not sure why the TB3 cables cause the drive to operate at the lowest speed (including the OEM Apple TB3 cable and any Anker ones I tried). USB A to C (with an adapter) gives the best speeds.
if you are using active TB3 cables (anything over .8 meter), then that is expected behavior