Amazon.com: Mikrotik RB260GSP 5 Gigabit Ethernet Ports and One SFP Cage : Electronics
Amazon.com: MikroTik hEX S Gigabit Ethernet Router with SFP Port (RB760iGS) : Electronics
Amazon.com: 24 Port Full Gigabit PoE Switch with 2 Gigabit SFP Uplink Ports, Up to 30W Per Port, 48V Standard POE, Total Budget 300W, 803.af/at Compliant, Unmanaged Plug and Play, Rack Mount :
Amazon.com: Mikrotik CCR1016-12S-1S+ Router with 12x SFP Cages 1x SFP+ Cages and 1x RJ45 SFP Copper Module : Electronics
Amazon.com: Gigabit Multi-Mode LC Fiber to Ethernet Media Converter with A SFP SX Module, 1.25G Fiber to Copper RJ45 Media Converter, 1000Base-SX to 10/100/1000Base-TX, MMF, Transmission up to 550 meters/1804 ft :