It boasts 4 40GBps Thunderbolt four ports (compatible with USB-C, Thunderbolt 3 and Thunderbolt four) in addition 4 10Gbps USB-A ports. Among the list of TB4 ports is upstream, so connects to the pc; the opposite three are downstream for connecting other units. Offers from our warehouse in China will https://supertop-shop.com/ethernet-simple-3-0-usb-c-hubs/