Free - Cassiobury Estate WD17 - listed on Trash Nothing
zoweetek USB 3.0 Gigabit Ethernet interface and hub. https://zoweetek.com/ Designed for devices without an RJ45 connection e.g. MacBook to connect to a data network along with peripherals e.g. Mouse, Keyboard, thumb drive all in one connection, like a USB mini dock station. https://trashnothing.com/pics/hTX3MmA