For testing, I’m looking for sinks and adapters using the MCDP2900 chip. I learned from this forum that CAC-2504 is one of them. Do you know others?
StarTech.com usually lists the chip used in their adapters. Google it like this:
You can do the same for club-3d.com.
They don’t list the chip in their product info pages, but they have this forum which has some posts containing the info as you’ve found. See this one for example:
You can do the search for stores like amazon:
You may find more results by doing the search using the store’s search option instead of google.