SOLVED - Using an older G-SPEED Shuttle SSD 14TB with a new Mac Pro M2

G-Technology G-SPEED & G-SAFE
1

We had a good scare and thought we lost all of our data when we tried to mount an older G-SPEED Shuttle SSD to the new Mac Pro M2 Ultra. In a nutshell , you must use Apple OEM Thunderbolt 3 - NOT Thunderbolt 4 when connecting from the WD drive to the new Mac M2 Ultra.
You can see the problem here before we figured out how to address this issue.

Thanks to Matt from Tech Support at WD for helping.

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Hi @MO-UMB,

Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting: