Showroom7561You need one port to be USB-C for charging.
The other three can be mixed and matched with whatever you like.
renegadesporkThank you! That’s what I suspected from the pictures, but I was able to select 0 USB-C ports with no warning, so I was confused.
Well, there is.
From the Expansion card selection step:
We suggest ordering 4 or more Expansion Cards, and that at least one is a USB-C Expansion Card for charging the laptop.