8+4 Managed Gigabit SFP Switch | RLH Industries, Inc.
8 port Fiber Optic SFP Switch - FASTCABLING
Amazon.com: TRENDnet 4-Port Gigabit Switch with SFP Slot, TEG-S51SFP, 10 Gbps Switching Capacity, Fanless, 802.1p QoS, Rear Facing Ports, Metal Housing, Network Ethernet Switch, Lifetime Protection, Black : Electronics
Amazon.com: 4-Port Gigabit Ethernet Fiber Switch, with Two SFP Slots (1000M), Without Transceiver : Electronics
1000Mbps 4 Port Gigabit Ethernet Switches with 2 RJ45 Port 10/100/1000base-T and 2 SFP Port 1000base-T/Sx/Lx, Power Supply Optional, External - China Gigabit Switches with SFP Ports and 10-100-1000m Media Converter price