AMD Motherboards - USB-c Alt-Mode£

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USB-c Alt-Mode£

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=26153
Printed Date: 27 Jul 2025 at 6:37pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: USB-c Alt-Mode£

Posted By: ptselios
Subject: USB-c Alt-Mode£
Date Posted: 14 Jul 2023 at 1:23am

Hello,
I am looking to build an AM4 system, preferably ITX but I am open to slightly larger platform too.

I know that the X570 ITX has Thunderbolt 3 ports, so I can get USB-c with DisplayPort AltMode via this port, but I don't want an X570 board.

So, is there any other AM4 board with USB-C AltMode enabled/supported?

Replies:

Posted By: eccential
Date Posted: 14 Jul 2023 at 3:36am

The only non-X570 Asrock board with add-on Thunderbolt support appears to be B550 PG Riptide.

You'll then need to add an Asrock Thunderbolt 4 AIC card.

To get DP Alt-Mode working, you'll need to connect displayport output from the GPU (or I guess motherboard if using iGPU) to the Thunderbolt 4 AIC card.