Amazon.com: MokerLink 10 Port Gigabit SFP Switch, 8 Gigabit SFP, 2 Gigabit Ethernet, Metal Unmanaged Network Switch : Electronics
Amazon.com: AIGWS 10-Port Industrial PoE Switch DC48-57V, DIN Rail, unmanaged 8 Port gigabit PoE Ethernet Switch with 2*1000M SFP Fiber Optical Port (no Include Optical Module) : Electronics
Amazon.com: SFP Ethernet Fiber Switch 2 Optical Port 8 Electrical Port Up to 120km RJ45 Port Plug and Play SFP Fiber Media Switch 100‑240V SFP Network Switch (US Plug) : 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: Cisco C3850-NM-4-1G Network Module for Cisco 3850 Series Switch(Renewed) : Electronics
Amazon.com: Cisco Catalyst WS-C2960S-24TS-L Ethernet Switch - 24 Port - 5 Slot - 24 x 10/100/1000Base-T - 4 x SFP (mini-GBIC), 1 x Stacking Module Slot (Certified Refurbished) : Electronics
Amazon.com: ciciglow 4 Port Gigabit Switch Module, Ethernet Switch Module, 10Mbps 100Mbps 1000Mbps RJ45 Interface, Support Full and Half Duplex Modes, Plug and Play : Electronics
Ethernet Remote IO Data Acquisition Module, 1 Port Ethernet Switch IO Acquisition Module Convenient Maintenance for Agricultural Temperature (0-5V): Amazon.com: Industrial & Scientific