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PowerConnect 2848 48 Port Switch - System Architects Inc.
TP-Link JetStream 48-Port Gigabit and 4-Port 10GE SFP+ L2+ Managed Switch with 48-Port PoE+
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
48 Port POE Network Switch | GS110-48P | Meraki Go : Meraki Go
D-Link 48 Port Gigabit & 4*10G SFP Smart Switch / DGS-1250-52X – Digital Dreams