3 port Gigabit switch module is widely used in LED line 5 port 10/100/1000 m contact port mini switch module PCBA Motherboard|Network Switches| - AliExpress
SwitchBlox Nano - Micro Ethernet Switch 3 Port Network Switch
NETGEAR 24-Port Gigabit Ethernet Unmanaged Switch (GS324) - Desktop, W – Totality Solutions Inc.
Fast Switch Mini 3 Port Ethernet Switch 10 / 100mbps Rj45 Network Switch Hub Pcb Module Board For System Integration Module - Network Switches - AliExpress
GigaBlox - Tiny GigaBit Ethernet Switch from BotBlox on Tindie
NETGEAR 5-Port Gigabit Ethernet Unmanaged Switch (GS305) - Home Network Hub, Office Ethernet Splitter, Plug-and-Play, Fanless Metal Housing, Desktop or Wall Mount - NWCA Inc.
Home/Office Ethernet Switches Series - GS605v5 | Home/Office Ethernet Switches | Switches | Networking | Home | NETGEAR