Amazon.com: NETGEAR 48-Port Gigabit Ethernet Smart Switch (GS748T) - Managed, with 2 x 1G SFP and 2 x 1G Combo, Desktop or Rackmount, and Limited Lifetime Protection : 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