Amazon.com: TP-Link 48 Port Gigabit Ethernet Switch | Plug and Play | Sturdy Metal w/ Shielded Ports | Rackmount | Fanless | Limited Lifetime Protection | Traffic Optimization | Unmanaged (TL-SG1048) , Black : Electronics
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