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
Linksys 48 Port Gigabit ( 48 POE - 740 W ) + 4 x 10G SFP Managed Switc – Digital Dreams
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