48-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: UK
48 Port 10GbE Switch: Choose SFP Switch or Copper Switch | by Leo Tao | Medium
YuanLey 48 Port Gigabit PoE Switch Unmanaged with 2 1000Mbps SFP Uplink, 50 Port 802.3af/at 800W High Power PoE+ Network Switch, Metal Rackmount Power Over Ethernet Switch: Amazon.co.uk: Computers & Accessories
S5500-48T6SP-R, 48-Port Gigabit Ethernet L3 PoE+ Switch, 48 x PoE+ Ports @740W, with 6 x 10Gb SFP+, Support Stacking - FS.com
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
NETGEAR GS752TPv3 48-Port Smart Managed Pro Rackmount Gigabit PoE+ Switch w/ 4 x 1G SFP Ports (380W)
48-Port L3 Fully Managed 10Gbase-T Switch with 40G Uplinks - FS.com Europe