For more detail, read our Thunderbolt 4 vs Thunderbolt 3 vs USB4 explainer ... you’ll need a USB-C-to-DisplayPort or HDMI adapter cable to connect to one of the downstream TB4 ports.
From an Apple user perspective, Thunderbolt 3 and 4 are very similar ... The Ugreen USB-C 4-port hub is a slim and inexpensive adapter that allows you to add four full-size USB 3.0 ports that ...