It features 4 40GBps Thunderbolt four ports (compatible with USB-C, Thunderbolt three and Thunderbolt four) additionally 4 10Gbps USB-A ports. One of the TB4 ports is upstream, so connects to the computer; one other a few are downstream for connecting other gadgets. You'll find three USB-A ports pushing details at https://supertop-shop.com/ethernet-simple-3-0-usb-c-hubs/