Tripp Lite NGI-U16 16-Port Unmanaged Industrial Gigabit Ethernet Switch - 10/100/1000 Mbps, DIN Mount - Critical Power Supplies
Gigabit Ethernet Switch 8 Ports Network hubs and switches, Full 1000M Gigabit unmanaged Metal Desktop Switch, Plug and Play Fast Network Splitter : Amazon.co.uk: Computers & Accessories