S3410-48TS-P, 48-Port Gigabit Ethernet L2+ PoE+ Switch, 48 x PoE+ Ports @740W, with 2 x 10Gb SFP+ Uplinks and 2 x Combo SFP Ports, Stackable switch, Broadcom Chip - FS.com Australia
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 ProSafe™ 48 Port Gigabit Smart Switch | From £264.00 | GS748TEU - PMC Telecom
Netgear GS348PP 48 Port Gigabit Ethernet Switch | Comms Express
48 Port Switches: Gigabit, PoE, & More | NETGEAR
48 Port Switches: Gigabit, PoE, & More | NETGEAR
48 Port RJ45 Gigabit Switch - Rack Mount – FruityCables