here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"ethernet"
I'm Celeste, Newegg's tech expert! Need help with "ethernet"?
RJ45 To RS485 Ethernet Module, Bi-Directional Transparent Transmission, Modbus Gateway Support, Multi Communication Modes
Limited time offer, ends 11/01
$49.85
Free Shipping
RS485 to RJ45 Ethernet Industrial Serial Server with POE Function, RS485 ETH Bi-
Limited time offer, ends 11/01
$87.52
Free Shipping
Waveshare Serial Server RS232/485 to WiFi and Ethernet, Ethernet to WiFi Convert
Limited time offer, ends 11/01
$120.56
Free Shipping
RS232/RS422/RS485 to RJ45 Ethernet Module, TCP/IP to Serial, with POE Function,
Limited time offer, ends 11/01
$103.94
Free Shipping
RS232/RS422/RS485 to RJ45 Ethernet Module, TCP/IP to Serial, Bi-Directional Tran
Limited time offer, ends 11/01
$93.00
Free Shipping
Industrial Serial Server RS485 to RJ45 Ethernet Module with POE Function, Modbus
Limited time offer, ends 11/01
$90.60
Free Shipping
RS232 to RJ45 Ethernet Converter Adapter with POE Function,Rail-Mount RS232 Seri
Limited time offer, ends 11/01
$92.88
Free Shipping
RS485 to WiFi/Ethernet Module, Rail-Mount Serial Server, Modbus MQTT Gateway, Su
Limited time offer, ends 11/01
$106.68
Free Shipping
Waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independen
Limited time offer, ends 11/01
$160.43
Free Shipping
1.25Gbps Gigabit SFP Fiber to Ethernet Converter, with PoE Module
Limited time offer, ends 11/01
$76.58
Free Shipping
for Raspberry Pi Compute Module 4, Mini Dual Gigabit Ethernet Base Board Onboard
Limited time offer, ends 11/01
$111.12
Free Shipping
RP2350-ETH Mini Development Board, RP2350 Ethernet Port Module, RPi Microcontrol
Limited time offer, ends 11/01
$52.01
Free Shipping
RP2040-ETH Mini Development Board RP2040 Ethernet Port Module Based on Raspberry Pi Microcontroller Chip RP2040,Supports TCP Server/TCP Client/UDP Server/UDP,USB-C Connector,Ethernet Port
Limited time offer, ends 11/01
$35.85
Free Shipping
Ethernet/USB HUB HAT Board with ABS Case for Raspberry Pi Zero 2 W/Zero 2WH, wit
Limited time offer, ends 11/01
$57.43
Free Shipping
TTL UART Serial Port to Ethernet Converter Mini Module, Bi-Directional Transparent Data Transmission Between Serial Port and Ethernet,Supports TCP Server/TCP Client/UDP Multicast/UDP Mode
Limited time offer, ends 11/01
$32.98
Free Shipping
RS485 to RJ45 Ethernet Industrial Serial Server, TCP/IP to Serial, RS485 ETH Bi-
Limited time offer, ends 11/01
$79.32
Free Shipping
Power Over Ethernet (C) for Raspberry Pi 4B/3B+, POE HAT Board with Cooling Fan,
Limited time offer, ends 11/01
$71.14
Free Shipping
RP2350-ETH Mini Development Board Based On Official RP2350 Dual-Core & Dual-Architecture Microcontroller,RP2350 Ethernet Port Module,Support C/C++, MicroPython, Arduino
Limited time offer, ends 11/01
$33.44
Free Shipping
Industrial ESP32-S3 Control Board,8-Channel Digital Input/Output Ccontroller,Based on ESP32-S3 Main Control, Supporting Wi Fi, Bluetooth, RS485, CAN and Ethernet Port
Limited time offer, ends 11/01
$102.75
Free Shipping
ESP32-S3 Ethernet Development Board, Support Wi-Fi & Bluetooth,10/100Mbps RJ45 E
Limited time offer, ends 11/01
$87.52
Free Shipping
ESP32 Ethernet Dev Board, Support Wi-Fi & Bluetooth, with PoE Module/Camera
Limited time offer, ends 11/01
$98.47
Free Shipping
RS232/485/422 to RJ45 Ethernet Converter Industrial Isolated Rail-Mount RS232/48
Limited time offer, ends 11/01
$105.45
Free Shipping
ESP32-S3 Ethernet Development Board, 10/100Mbps RJ45 Ethernet Port, Support W-i-
Limited time offer, ends 11/01
$71.11
Free Shipping
Power Over Ethernet PoE Ethernet/USB HUB HAT Expansion Board for Raspberry Pi Ze
Limited time offer, ends 11/01
$90.26
Free Shipping
8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP P
Limited time offer, ends 11/01
$169.60
Free Shipping
1.25Gbps Gigabit SFP Fiber to Ethernet Converter, Without PoE Module
Limited time offer, ends 11/01
$65.64
Free Shipping
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE P
Limited time offer, ends 11/01
$147.72
Free Shipping
PCIe to M.2 Adapter with PoE HAT for Raspberry Pi 5, Power Over Ethernet Support
Limited time offer, ends 11/01
$84.79
Free Shipping
Raspberry Pi USB/ETH HUB HAT for Zero 2W/Zero W - PoE Ethernet/USB HAT Board
Limited time offer, ends 11/01
$96.87
Free Shipping
PCIe to Gigabit Ethernet and USB 3.2 Gen1 HAT for Raspberry Pi 5, PCIe to GigE &
Limited time offer, ends 11/01
$109.41
Free Shipping
Dual Ethernet Base Board Compatible with Raspberry Pi Compute Module 5, Supports
Limited time offer, ends 11/01
$191.49
Free Shipping
POE HAT Board Compatible with Raspberry Pi 5, Power Over Ethernet HAT with Cooli
Limited time offer, ends 11/01
$82.08
Free Shipping
1pc Din Rail RS485 to Ethernet Converters USR-DR302
Limited time offer, ends 11/01
$60.48
Free Shipping
ESP32 Ethernet Dev Board, Support Wi-Fi & Bluetooth, with OV5640 Camera
Limited time offer, ends 11/01
$84.79
Free Shipping
Industrial Grade 2-Ch CAN to Ethernet Server, 2-Ch CAN + RS485 + Ethernet Port,
Limited time offer, ends 11/01
$210.87
Free Shipping