FS S5800-48F4SR 48-Port Gigabit SFP L3 Managed Ethernet Switch with 4 10Gb SFP+ Uplinks - FS.com Europe
8-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: US
SFP-7050-55 - Gigabit single-mode SFP transceiver, 1000Base-ZX, 1550nm, max range 50Km, dual LC connector
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
5+2 Gigabit SFP Switch | RLH Industries, Inc.
What is an SFP (Small Form Factor Pluggable) Port?
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: Cable Matters 1000BASE-T Gigabit SFP to RJ45 Copper Ethernet Modular Transceiver for Cisco, Ubiquiti, TP-Link, Huawei, Netgear, and Supermicro Equipment