TP-LINK TL-SG3428 JetStream 24-Port L2 Managed Rackmount Switch with 4x SFP Slots LN112121 | SCAN 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:
Fanless 24-Port Gigabit Switch Recommendation | by John "NetConnect" Doe | Medium
24-Port Managed Switch With Both Fanless & Stackable Features