I thought that was really odd, but it appears to have two usb c (Thunderbolt 3) on top under "Additional connections", and the graphics cards each seem to have

I thought that was really odd, but it appears to have two usb c (Thunderbolt 3) on top under "Additional connections", and the graphics cards each seem to have 4 Thunderbolt 3 ports on them. So 8 USB C unless I misunderstand.