MERCUSYS 5-Port 10/100/1000Mbps Desktop Ethernet Switch/Hub, Ethernet Splitter, Saves power by up to 82%, Plug & Play, no configuration required (MS105G) : Amazon.co.uk: Computers & Accessories
Throncom Mini Industrial 4 Port 10/100/1000Mbps Gigabit Ethernet Switch Din Rail/Wall-Mount 10/100/1000BASE-T RJ45 + 1 Port 100/1000FX (SFP) Support 12-48V DC 10Gbps Switching Capacity: Amazon.co.uk: Computers & Accessories
Tripp Lite NGI-S08C2POE8 8-Port Lite Managed Industrial Gigabit Ethernet Switch - 10/100/1000 Mbps, PoE+ 30W, 2 GbE SFP Slots, -10° to 60°C, DIN Mount - Critical Power Supplies