DrayTek 54 Port Gigabit L2+ Managed Switch with 48 RJ-45 LAN Ports & 6 10GbE SFP+ Ports - VSG2540XS-K | Attock Network Products Ltd
48-Port Managed Gigabit PoE+ Switch with 4 10G SFP+ Uplinks 740W | Linksys: UK
48 Port Switches: Gigabit, PoE, & More | NETGEAR
48 Port 10G Uplink PoE Switch L3 Managed Gigabit Ethernet 10G SFP+ Uplink Port | eBay
Cisco Small Business SGE2010P 48-Port 1GbE PoE Network Managed Switch 4x SFP
NETGEAR PoE Switch 24 Port (GS348PP) 48 Port Gigabit Ethernet Switch with 24 x PoE+ 380W, Desktop/Rackmount, Sturdy Metal : Amazon.co.uk: Computers & Accessories