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
Ubiquiti Networks Unifi 48Port Pro Switch Gen2 (USW-PRO-48-POE) - Walmart.com
S7300-48TE4X2Q, 48-Port Multi-Gigabit Ethernet L3 Switch,48x 100M/1000M/2.5GBASE-T, with 4x 1G/10G SFP+ and 2x 40G QSFP+ Uplink Ports
MokerLink Store - MokerLink 48 Port Gigabit Ethernet Switch with 2 SFP Ports
TP LINK TL SF1048 48 Port 10100Mbps Fast Ethernet Switch Limited Lifetime Warranty Plug and Play Rackmount Sturdy Metal w Shielded Ports Fanless Unmanaged - Office Depot