Amazon.com: SBCSoM Low Cost Single Board Computer with i.MX6UL Cortex-A7 CPU Up to 528Mhz,512MB DDR3L,4GB EMMC,RS485/CAN/Camera/LCD/Ethernet/USB Interface and Rich GPIO (SBC-IMX6UL) : Electronics
ConnectCore for i.MX6UL SBC Pro | Digi International
Mini Dual Gigabit Ethernet Base Board for RPi CM4 (Base Board + Case + US Plug) - RobotShop
FriendlyElec Nanopi NEO3 Mini Development Board(SBC) RK3328 Gigabit Ethernet port 1GB/2GB DDR4 RAM OpenWrt/Ubuntu Nanopi NEO2 - AliExpress
Banana Pi BMP-M2S single-board PC has Amlogic A311D processor and dual Gigabit Ethernet ports - Liliputing
Which single-board computer has at least 2 Ethernet ports, and can be used as a firewall? - Quora
Tiny, $29 IoT gateway SBC packs in WiFi and dual LAN ports
PhidgetSBC4 - SBC3003_0 - Phidgets
Upcoming Raspberry Pi Alternative Stands Out With 2 Ethernet Ports | Tom's Hardware
Industrial Quad-Core Intel® E3845 SBC 2- Ethernet & USB 3.0
STM32MP13x Based SBC - iWave Systems
Industrial E3900 SBC with Dual Ethernet, Multi-Display and Expansion