Amazon.com: USB C Docking Station Dual Monitor Adapter,USB C Hub Multi Monitor Connector with 2 HDMI,Displayport,VGA,100W PD,3 USB Ports,8 in 1 USBC Port Replicator for Dell/HP/Surface and More Laptops : Electronics
display - What do the upstream/downstream USB ports on a monitor do? - Super User
Amazon.com: USB C Docking Station Dual Monitor Adapter,USB C Hub Multi Monitor Connector with 2 HDMI,Displayport,VGA,100W PD,3 USB Ports,8 in 1 USBC Port Replicator for Dell/HP/Surface and More Laptops : Electronics