Amazon.com: Mini Industrial 4 Port 10/100/1000Mbps Gigabit Ethernet Switch with SFP Din Rail/Wall-Mount 10/100/1000BASE-T RJ45 + 1 100/1000FX (SFP) Support 12-48V DC 10Gbps Switching Capacity : Electronics
GSD-804P 8-Port 10/100/1000Mbps Gigabit Ethernet Switch with 4-Port 802.3at PoE+ Injector - Planet Technology USA
Amazon.com: Mini Industrial 4 Port 10/100/1000Mbps Gigabit Ethernet Switch with SFP Din Rail/Wall-Mount 10/100/1000BASE-T RJ45 + 1 100/1000FX (SFP) Support 12-48V DC 10Gbps Switching Capacity : Electronics
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-Port Mini Ethernet Switch with USB Power
Ubiquiti Networks UniFi USW Flex Mini 4-port Gigabit Ethernet Switch
5 Port 2.5G Ethernet Switch with 10G SFP, 5 x 2.5G Base-T Ports, Plug – Juplink
Black Box USB-Powered Gigabit 4-Port Switch with EU Power Supply - Walmart.com
PROVANTAGE: Black Box LGB304A USB-Powered Gigabit 4-Port Switch
4 Port Gigabit Switch | Ethernet VLAN Switch Module
4 Port Gigabit PoE Switch (IEEE 802.3af/at) auf DIN-Hutschiene, Max 1