I can't reply my post, Can't accept as solution also.

[Jia_lao]

I got this message:

Authentication failed for the action you are trying to do. This failure could be due to your browser not supporting JavaScript, JavaScript not being enabled, or trying to use the action URL directly in the browser address bar instead of clicking the link on the page.
Return to my original page

and can't reply in web page same topic.

 my original post :

The speed is 20Gbps between thunderbolt3 and thunderbolt4 - Intel Communities

The max network speed in thunderbolt 4 net? - Intel Communities

The TB4 nuc from China Intel partner just for test. It backed. so can't test more.

[Alberto_R_Intel]

Jia_lao, Thank you for posting in the Intel® Communities Support.

In reference to this scenario about being unable to reply to our forums, it is important to mention that we do not have any reports about this kind of problem from other users. We suggest testing different browsers and if the issue persists please use the email below for further assistance on this matter:

Email: intel.community@intel.com

Any questions, please let me know.

Regards,

Albert R.

Intel Customer Support Technician