Linksys 48 Port Gigabit ( 48 POE - 740 W ) + 4 x 10G SFP Managed Switc – Digital Dreams
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
Cisco WS-C3850-48XS-E Switch 3850 48 Port GE SFP IP Services 4 QSFP+ 750W AC