It's smarter than you think.
While it won't use your motherboard's USB-C header, there are PCIe header cards that would let you connect multiple 19 pin USB headers that terminate into USB-Cs. But at that point, why not just get a ...
[Martin] sent this query, along with the lead photo, into the tip line, and he makes a good point. Most development and evaluation boards have multiple rows of pin headers, often arriving loose in the ...