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
Cisco Catalyst 3750G 48 Port Gigabit Switch - WS-C3750G-48TS-S
FS 48-Port Gigabit L3 Switch - FS.com
TP LINK TL SG1048 48 Port Gigabit Ethernet Switch Limited Lifetime Protection Plug and Play Sturdy Metal w Shielded Ports Rackmount Fanless Traffic Optimization Unmanaged Black - Office Depot
Gigabit Plus Switch Series - GS750E
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