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
Refurbished Cisco Catalyst 2960XR 48-Port Switch | Intelligent Servers UK
NETGEAR 48-Port Gigabit Ethernet Smart Switch (GS748T) - Managed, with 2 x 1G SFP and 2 x 1G Combo, Desktop or Rackmount, and Limited Lifetime Protection : Amazon.co.uk: Computers & Accessories
Ubiquiti UniFi 48 Port PoE Pro Switch (USW-Pro-48-POE)