The Plugable AD-6IN1 is a USB hub designed for iMacs that offers quick access to multiple ... a USB-C to Ethernet adapter that supports speeds up to 2.5Gbps and includes a USB port for power ...

Plugable now sells a 5Gbps Ethernet to USB ... Obviously, the adapter works best with high-speed USB-C or Thunderbolt ports (Plugable recommends using a port with 10Gbps speeds).