Amazon.com: SODOLA 48 Port Gigabit PoE Switch, 600W Unmanaged Network Switch with 48 Port IEEE802.3af/at PoE, 2 x 1G SFP, Metal Rackmount Unmanaged Plug and Play Power Over Ethernet Switch : Electronics
S5810-48FS, 48-Port Gigabit Ethernet L3 Switch, 48 x 1Gb SFP, with 4 x 10Gb SFP+ Uplinks, Stackable Switch, Broadcom Chip - FS.com United Kingdom
Dell Networking S4048-ON Switch 48 x 10Gb SFP+, 6 x QSFP+ Ports
Managed Gbit 48 Ports Poe Switch with 4 SFP Optical Fiber Uplink Full Gigabit Switch Max 6kv Lightning Protection - China 48 Port Poe and Poe Switch 48 Port price | Made-in-China.com
Ubiquiti UniFi Switch 48, Layer 2 switch with (48) GbE RJ45 ports and (4) 1G SFP ports. | Asbis SK
Ubiquiti UniFi 48-port Gigabit Ethernet Switch with SFP, no PoE