Amazon.com: MokerLink 48 Port PoE Gigabit Switch with 2 Gigabit SFP, 800W IEEE802.3af/at AI Detection, Metal Rackmount Unmanaged Plug and Play Ethernet Switch : Electronics
Amazon.com: 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 : Electronics
Amazon.com: CISCO DESIGNED CBS220-48P-4X Smart Switch | 48 Port GE | PoE | 4x10G SFP+ | 3-Year Limited Hardware Warranty (CBS220-48P-4X-NA) : Electronics
Amazon.com: TP-Link 48 port gigabit PoE switch | 48 PoE+ Port @384W, w/ 4 SFP Slots | Smart Managed | Limited Lifetime Protection | Support L2/L3/L4 QoS, IGMP and LAG | IPv6