Amazon.com: ZyXEL Next Generation VPN Firewall with 1 WAN, 1 SFP, 4 LAN/DMZ Gigabit Ports and 802.11ac/n WiFi [USG20W-VPN] : Electronics
Amazon.com: Ubiquiti Edgerouter X SFP - Router - Desktop - Black (ER-X-SFP) : Electronics
Amazon.com: 6 Port 2.5G Umanaged Ethernet Switch, 4 x 2.5G Base-T Ports, 2 x 10G SFP, Compatible with 100/1000/2500Mbps, Metal Fanless, Desktop/Wall Mount YuanLey 2.5Gbe Network Switch for Wireless AP, NAS, PC :
Amazon.com: 1000BASE-T SFP to RJ45, 1.25G SFP-T Gigabit SFP Copper RJ45 Module Mini GBIC Transceiver for Ubiquiti UF-RJ45-1G, Supermicro, Netgear, Broadcom, Other Open Switches, up to 100m : 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 :
Amazon.com: 10Gtek 10GBase-T SFP+ to RJ-45 Transceiver, 10Gbe SFP+ Copper Ethernet CAT6a Module, up to 30-Meter, for Cisco SFP-10G-T-S, Meraki, Ubiquiti UniFi UF-RJ45-10G, Fortinet, TP-Link TL-SM5310-T and More : Electronics