QNAP QSW-1105-5T, 5 port 2.5Gbps auto negotiation (2.5G/1G/100M), unmanaged switch, Broadcom Chipset Embedded : Amazon.co.uk: Computers & Accessories
24 Port 10/100/1000 Gigabit Ethernet Network Switch - rhinocables.co.uk
6 Port 2.5G Umanaged Ethernet Switch, 4 x 2.5G Base-T Ports, 2 x 10G SFP, Compatible with 100/1000/2500Mbps, Metal Fanless, Desktop/Wall Mount YuanLey 2.5Gbe Network Switch for Wireless AP, NAS, PC: Amazon.co.uk: