In System Info the External ACASIS TB401E housing with a WD Black SN770 1TB NVME SAYS THUNDERBOLT 3 MODE ON / MACMINI M4 PRO / MacOs 15.2
I have the drive plugged into the back TB ports to the best of my knowledge these ports are TB5 ports so a USB4 / 40GBs speed housing should be at least TB4...