Has anyone tried TB4/TB3 enclosure, particularly ACASIS TBU 405 Pro, at back TB5 ports on New Mac Mini M4 Pro? it is not working for me.

[Guest /u/yzhou2004]

I just bought an ACASIS TBU 405 to expand my mac mini m4 pro 512GB. I also ordered 2GB WD black SN700 but it is still on this way. So, to test the ACASIS enclosure I throw in a 512GB Samsung PCIe 3.0 drive for now.

 

The drive, ACASIS enclosure and the TB 4 cable that comes with it work fine on two front USB 10GBs ports but none of three 3 TB5 ports at the back. At TB5 ports, the drive was first mounted but then disconnected after simply browsing some folders.

 

I tried the same drive/enclosure/tb4 cable on my Thinkpad X1C Gen 11 TB4 ports. It works fine as well.

 

Then, I found a USB 3.1 cable from another enclosure to replace the TB 4 cable from ACASIS. It works fine on TB5 ports as well. Of course, it is slow.

 

So, I am scratching my head now. I wonder if new mac mini m4 pro has some TB5 backward compatible issues with TB4 enclosure and/or cable.

 

Any advice is greatly appreciated!

 

submitted by /u/yzhou2004

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