---
title: "WIZnet WIZ850io"
url: "https://maker.wiznet.io/products/wiz850io/"
markdown_url: "https://maker.wiznet.io/products/wiz850io/md"
type: "WIZnet product hub"
product_page: "https://docs.wiznet.io/Product/ioModule/WIZ850io"
projects: 71
language: "en"
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# WIZnet WIZ850io

> Compact Ethernet module with the W5500 chip and an RJ45 jack.

## Documents

- [Product page](https://docs.wiznet.io/Product/ioModule/WIZ850io)

## Projects and products using WIZ850io

- [STM32 based USB (+ Art-Net) to DMX512 Interfaces](https://maker.wiznet.io/Grace_Koo/projects/stm32-based-usb-art-net-to-dmx512-interfaces/) (UCC, 2026-07-31): An Art-Net·USB → DMX512 lighting interface on STM32 + WIZ850io (W5500), using the W5500 hardware UDP socket directly and supporting MIDI, ASCII, and MiniDMX.
- [How to Build a Tiny DNS Sinkhole with W5500 on XIAO ESP32-S3?](https://maker.wiznet.io/viktor/projects/how-to-build-a-tiny-dns-sinkhole-with-w5500-on-xiao-esp32-s3/) (UCC, 2026-07-23): This project replaces a Raspberry Pi 3B running Pi-hole with a compact DNS sinkhole built from a Seeed Studio XIAO ESP32-S3 and a WIZnet WIZ850io
- [Building "The Hammer": A 1W LoRa Mesh Radio with WIZ850io Ethernet and PoE](https://maker.wiznet.io/jakelee/projects/how-to-build-a-high-power-lora-mesh-radio-with-w5500-ethernet-and-poe/) (UCC, 2026-07-20): The Hammer combines a 1W LoRa radio, W5500 Ethernet, PoE, and GPS to create a rugged Meshtastic-compatible mesh communication platform.
- [Marstek Modbus Companion](https://maker.wiznet.io/jaden/projects/marstek-modbus-companion/) (UCC, 2026-06-15): Marstek Modbus Companion
- [Industrial IoT Gateway (Field-to-Cloud) Using Dual-Port SP23](https://maker.wiznet.io/Grace_Koo/projects/industrial-iot-gateway-field-to-cloud-using-dual-port-sp23/) (UCC, 2026-06-12): A dual-port IIoT gateway using SP2302's built-in Ethernet for cloud and WIZ850io W5500 via SPI for isolated Modbus field device communication.
- [BX39_MIRAGE_SED](https://maker.wiznet.io/TheoIm/projects/bx39-mirage-sed/) (UCC, 2026-04-30): MIRAGE uses WIZ850io(W5500) to send stratospheric methane data from ESP32-C5 to ground via UDP.
- [AASun-V2](https://maker.wiznet.io/TheoIm/projects/aasun-v2/) (UCC, 2026-04-09): AASun V2 is a deployable embedded energy router integrating AC/DC sensing, power, and networking into a single DIN-rail system for real-time solar energy ctrl.
- [\[ PS-NET002 \] UDP Hoist Converter Using W5500 Wired Ethernet](https://maker.wiznet.io/irina/projects/-ps-net002--udp-hoist-converter-using-w5500-wired-ethernet/) (UCC, 2026-03-13): PS-NET002 is a W5500-based wired UDP hoist controller for stable industrial communication.
- [PulseTank_osc](https://maker.wiznet.io/TheoIm/projects/pulsetank-osc/) (UCC, 2026-03-06): Teensy 3.2 reads pulse/hand sensors, drives solenoid timing, and sends OSC over UDP via WIZ850io or WiFi (ESP8266). Static IP 188.0.1.x. UDP
- [Voron-Documentation](https://maker.wiznet.io/TheoIm/projects/voron-documentation/) (UCC, 2026-02-26): WIZ850io enables stable Ethernet connectivity for grblHAL CNC controllers by offloading TCP/IP to W5500 hardware, ensuring deterministic motion control.
- [Ethernet for Arita: Unlocking Hidden IoT Powers with W5500 Modding](https://maker.wiznet.io/lawrence/projects/ethernet-for-arita/) (UCC, 2026-01-17): This project unlocks a cheap NORVI Arita controller by adding a W5500 Ethernet module and OLED, transforming it into a powerful IoT hub through custom firmware.
- [ESP32-P4 + RP2350(grblHAL) + W5500 CNC Controller](https://maker.wiznet.io/TheoIm/projects/esp32-p4-rp2350-w5500-cnc-controller/) (UCC, 2025-11-17): Todoro’s CNC uses ESP32-P4 for UI, RP2350 for motion, and W5500 for Ethernet+SD—simple, stable, and fully networked CNC control.
- [RP23CNC – RP235x-based 5-Axis grblHAL CNC Controller](https://maker.wiznet.io/TheoIm/resellers/rp23cnc--rp235x-based-5-axis-grblhal-cnc-controller/) (VAR, 2025-09-24): RP23CNC is a 5-axis CNC controller board powered by the Raspberry Pi RP235x MCU, running the open-source grblHAL firmware.
- [TCP/UDP Interface for SP2302 + W5500](https://maker.wiznet.io/sophia/projects/tcp-udp-interface-for-sp2302-w5500/) (UCC, 2025-07-23): A practical example of connecting the WIZnet W5500 Ethernet module to the SP2302 SBC using SPI to implement a full TCP server/client and UDP socket interface.
- [Dual Ethernet Port Expansion for SP2302 Using WIZ850io (W5500)](https://maker.wiznet.io/Benjamin/projects/dual-ethernet-port-expansion-for-sp2302-using-wiz850io-w5500/) (UCC, 2025-05-29): Enable dual Ethernet on SP2302 board using WIZ850io (W5500) module via SPI interface. Perfect for industrial IoT and secure networking applications.
- [ESP32-CAM using HSPI interface and W5500 module](https://maker.wiznet.io/lawrence/projects/esp32-cam-using-hspi-interface-and-w5500-module/) (UCC, 2025-03-19): This guide explains how to connect ESP32-CAM to the internet using a wired Ethernet connection.
- [Wire Raspberry Pi Pico or Pico 2 to your LAN and Internet](https://maker.wiznet.io/lawrence/projects/wire-raspberry-pi-pico-or-pico-2-to-your-lan-and-internet/) (UCC, 2025-03-19): This guide explains how to connect a Raspberry Pi Pico or Pico 2 to the internet using a wired Ethernet connection
- [DCC-EX Ethernet Boards](https://maker.wiznet.io/ssekim/resellers/dcc-ex-ethernet-boards/) (VAR, 2024-06-28): DCC-EX is a team of dedicated enthusiasts producing open source DCC & DC solutions for you to run your complete model railroad layout
- [esp32-W5500Mini](https://maker.wiznet.io/Benjamin/projects/esp32-w5500mini/) (UCC, 2024-06-14): ESP32 with interface ethernet using module W5500 Mini protocol HIGH SPI
- [W5500 on UP4000 with Ubuntu 20.04(Ongoing)](https://maker.wiznet.io/josephsr/projects/w5500-on-up4000-with-ubuntu-20-04-ongoing/) (WCC, 2024-04-23): Using w5500 on x86_64 based UP4000 board with Ubuntu 20.04 environment
- [Remora RPi/W5500 LinuxCNC Adapter Board](https://maker.wiznet.io/louis_m/projects/remora-rpi-w5500-linuxcnc-adapter-board/) (UCC, 2024-02-20): RRW_LAB aka Remora RPi/W5500 LinuxCNC Adapter Board is a CNC controller board for use with LinuxCNC
- [ESP32: ethernet w5500 with plain (HTTP) and SSL (HTTPS)](https://maker.wiznet.io/matthew/projects/esp32-ethernet-w5500-with-plain-http-and-ssl-https-1/) (UCC, 2024-02-05): Many people ask me for some examples of wired connections; in my mind, the first thing I thought of is the w5500 device, one of the most famous and powerful.
- [picocnc](https://maker.wiznet.io/ssekim/projects/picocnc/) (UCC, 2024-02-01): A powerful CNC motion controller
- [добавляем Ethernet](https://maker.wiznet.io/louis_m/projects/stm32f103-with-wiznet-w5500/) (UCC, 2024-01-04): STM32F103 with WIZnet W5500
- [Micro:Bit IoT Project: Motion Sync Net](https://maker.wiznet.io/scarlet/projects/microbit-iot-project-motion-sync-net/) (WCC, 2023-12-19): Two MicroBit devices interact: one detects motion, the other shows it on its LED display.
- [NORVI ENET: ESP32 + Ethernet W5500 Circuit analysis](https://maker.wiznet.io/gavinchang/projects/norvi-enet-esp32-ethernet-w5500-circuit-analysis/) (UCC, 2023-12-04): NORVI ENET: ESP32 + Ethernet W5500 Circuit analysis
- [\[Recuration\]IoT Base Platform With RaspberryPi, WIZ850io](https://maker.wiznet.io/Aimee0/projects/recurationiot-base-platform-with-raspberrypi-wiz850io/) (UCC, 2023-12-04): This project is that guides you on how to build an IoT-based platform using Raspberry Pi and WIZ850io.
- [picopdio](https://maker.wiznet.io/irina/projects/picopdio/) (UCC, 2023-11-01): It utilizes the rp2040 and leverages the llhttp parser from nodejs to read icecast radio streams
- [Ethernet for PTZ Remote](https://maker.wiznet.io/viktor/projects/ethernet-for-ptz-remote/) (UCC, 2023-10-31): Ethernet for PTZ Remote
- [Enhancing Pixel Control Performance with Teensy 3.2 and W5500 Ethernet Shield](https://maker.wiznet.io/TheoIm/projects/teensy-3-2-ethernet/) (UCC, 2023-10-31): I’m looking into ways of using multiple Teensy 3.2’s and farming out pixels to each of them, using a WIZnet W5500 Ethernet adapter, and an OctoWS2811 adapter.
- [Wired custom board for Pisowifi](https://maker.wiznet.io/louis_m/resellers/wired-custom-board-for-pisowifi/) (VAR, 2023-09-25): w5500 Wired custom board for Pisowifi
- [ESP32 WiFi와 이더넷(Ethernet) 모듈 W5500 및 ENC28J60 활용 서버(Server) HTTP JSON 통신 - 2](https://maker.wiznet.io/lawrence/projects/esp32-wifi%EC%99%80-%EC%9D%B4%EB%8D%94%EB%84%B7-ethernet-%EB%AA%A8%EB%93%88-w5500-%EB%B0%8F-enc28j60-%ED%99%9C%EC%9A%A9-%EC%84%9C%EB%B2%84-server-http-json-%ED%86%B5%EC%8B%A0-2/) (UCC, 2023-06-05): ESP32 WiFi와 이더넷(Ethernet) 모듈 W5500 및 ENC28J60 활용 서버(Server) HTTP JSON 통신 - 2
- [ESP32 WiFi와 이더넷(Ethernet) 모듈 W5500 및 ENC28J60 활용 서버(Server) HTTP JSON 통신 - 1](https://maker.wiznet.io/lawrence/projects/esp32-wifi%EC%99%80-%EC%9D%B4%EB%8D%94%EB%84%B7-ethernet-%EB%AA%A8%EB%93%88-w5500-%EB%B0%8F-enc28j60-%ED%99%9C%EC%9A%A9-%EC%84%9C%EB%B2%84-server-http-json-%ED%86%B5%EC%8B%A0-1/) (UCC, 2023-06-05): ESP32 WiFi와 이더넷(Ethernet) 모듈 W5500 및 ENC28J60 활용 서버(Server) HTTP JSON 통신 - 1
- [IoT Base Platform in Raspberry Pi, WIZ850io: Echoback Application: 6 Steps](https://maker.wiznet.io/WIZnet/projects/iot-base-platform-in-raspberry-pi%2C-wiz850io%3A-echoback-application%3A-6-steps/) (UCC, 2023-05-31): IoT Base Platform in Raspberry Pi, WIZ850io: Echoback Application: 6 Steps
- [TEST OF A CHEAP CHINESE WIZ850IO ETHERNET BOARD](https://maker.wiznet.io/WIZnet/resellers/test-of-a-cheap-chinese-wiz850io-ethernet-board/) (VAR, 2023-04-04): Testing WIZ850IO
- [Radiation sensor node](https://maker.wiznet.io/WIZnet/projects/radiation-sensor-node/) (UCC, 2023-03-07): sensor node
- [DIY! Hardware solution for Ethernet multicast of a HIFI audio stream.](https://maker.wiznet.io/scarlet/projects/diy%21-hardware-solution-for-ethernet-multicast-of-a-hifi-audio-stream/) (UCC, 2023-03-02): tutorial how to create a hardware solution for Ethernet multicast audio streaming
- [RaspberryPi Pico Ethernet Basic (ChatServer): Arduino IDE](https://maker.wiznet.io/WIZnet/projects/raspberrypi-pico-ethernet-basic-chatserver-%3A-arduino-ide/) (UCC, 2023-02-16): This article introduces how to program in the Arduino IDE environment using RaspberryPi Pico and WIZ850io (wired communication Ethernet)
- [ModbusSlave devices running at hand](https://maker.wiznet.io/WIZnet/projects/modbusslave-devices-running-at-hand/) (UCC, 2023-02-14): I will introduce the ModbusSlave device running at hand. It is based on STM32miniShield.
- [STM32MINIShield Board](https://maker.wiznet.io/WIZnet/projects/stm32minishield-board/) (UCC, 2023-02-14): STM32MINIShield Board
- [\[RaspberryPi zero W\] Add ethernet interface with WIZ850io](https://maker.wiznet.io/WIZnet/projects/%5Braspberrypi-zero-w%5D-add-ethernet-interface-with-wiz850io/) (UCC, 2023-02-12): [RaspberryPi zero W] Add ethernet interface with WIZ850io
- [ESP32에 W5500 연결하여 Ethernet 사용하기 - TCP_Server](https://maker.wiznet.io/WIZnet/projects/esp32%EC%97%90-w5500-%EC%97%B0%EA%B2%B0%ED%95%98%EC%97%AC-ethernet-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-tcp-server/) (UCC, 2023-02-09): ESP32 Module에 Hardwired Ethernet Mdoule인 W5500을 연결하여 protocols-sockets- tcp_server example 실행 과정에 대해 설명합니다.
- [ESP32에 W5500 연결하여 Ethernet 사용하기 - Basic](https://maker.wiznet.io/WIZnet/projects/esp32%EC%97%90-w5500-%EC%97%B0%EA%B2%B0%ED%95%98%EC%97%AC-ethernet-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-basic/) (UCC, 2023-02-09): ESP32 모듈에 Hardwired Ethernet Mdoule인 W5500을 연결하여 사용하는법에 대하여 소개하고 Ethernet-Basic Example을 실행 과정에 대해 설명합니다
- [How to add W5500 Ethernet to Raspberry Pi Pico (Python) – 1](https://maker.wiznet.io/WIZnet/projects/how-to-add-w5500-ethernet-to-raspberry-pi-pico-python-%E2%80%93-1/) (UCC, 2023-02-09): HOWTO: Raspberry Pi Pico + WIZnet W5500 Ethernet + CircuitPython - Manual IP setting & Ping Demo
- [How to add W5500 Ethernet to Raspberry Pi Pico (Python) - 2](https://maker.wiznet.io/WIZnet/projects/how-to-add-w5500-ethernet-to-raspberry-pi-pico-python-2/) (UCC, 2023-02-09): Raspberry Pi Pico + WIZnet W5500 Ethernet + CircuitPython - DHCP + Echo + WebClient (html, JSON) Demo
- [STM32F407 + W5500 sensor node](https://maker.wiznet.io/WIZnet/projects/stm32f407-w5500-sensor-node/) (UCC, 2023-02-07): Sensor node implemented using STM32F407 and W5500
- [ESP32+W5500 Iperf Test](https://maker.wiznet.io/WIZnet/projects/esp32-w5500-iperf-test/) (UCC, 2023-02-07): This is a W5500 network throughput test based on ESP32 and ESP-IDF
- [How to use the W5500 as Azure Sphere Ethernet adapter](https://maker.wiznet.io/rena/projects/using-the-w5500-as-azure-sphere-ethernet-adapter/) (WCC, 2022-12-06): As the W5500 has been selected as the Azure sphere official Ethernet adapter, I'll introduce how to simply set up and use it.
- [Boîtier de scène 8/8 Ethernet ADAT](https://maker.wiznet.io/scarlet/resellers/bo%C3%AEtier-de-sc%C3%A8ne-8-8-ethernet-adat/) (VAR, 2022-11-30): ADAT déporté jusque sur la scène via une liaison Ethernet. ADAT remotely connected to the stage over an Ethernet link.
- [Raspberry pi pico LAN](https://maker.wiznet.io/louis_m/projects/raspberry-pi-pico-lan/) (UCC, 2022-11-28): Pico x Network
- [OPEnSLab-OSU / SSLClient / EthernetMQTT](https://maker.wiznet.io/mason/projects/openslab-osu-sslclient-ethernetmqtt/) (UCC, 2022-11-01): This sketch demonstrates the basic capabilities of the library.
- [OPEnSLab-OSU / SSLClient / EthernetHTTPS](https://maker.wiznet.io/mason/projects/openslab-osu-sslclient-ethernethttps/) (UCC, 2022-11-01): This sketch connects to a website (http://www.arduino.cc/asciilogo.txt) using an Arduino Wiznet Ethernet shield.
- [OPEnSLab-OSU / SSLClient / EthernetAWSIoT](https://maker.wiznet.io/mason/projects/openslab-osu-sslclient-ethernetawsiot/) (UCC, 2022-11-01): Connect to AWS IOT using SSLClient and Wiz850io Ethernet Mdoule
- [\[Blog Post UCC Sample\] 주파수 혼선 없는 무선 탈리 만들기(Create a 2.4GHz wireless tally)](https://maker.wiznet.io/eric_g/projects/%5Bblog-post-ucc-sample%5D-%EC%A3%BC%ED%8C%8C%EC%88%98-%ED%98%BC%EC%84%A0-%EC%97%86%EB%8A%94-%EB%AC%B4%EC%84%A0-%ED%83%88%EB%A6%AC-%EB%A7%8C%EB%93%A4%EA%B8%B0-create-a-2-4ghz-wireless-tally/) (UCC, 2022-10-19): Tally Controller is connected to ATEM switcher (Multi-camera production switcher)
- [STM32MINIShield基板仕様](https://maker.wiznet.io/scott/resellers/stm32minishield%E5%9F%BA%E6%9D%BF%E4%BB%95%E6%A7%98/) (VAR, 2022-09-30): This board is generally called BluePill, and is a board for connecting an external module to a 40pin DIP-IC type module equipped with a micr
- [XIAO M0 + W5500 module](https://maker.wiznet.io/lawrence/projects/xiao-m0-w5500-module/) (UCC, 2022-09-29): XIAO M0 + W5500 module based on Mongoose embedded os
- [ESP32 EtherCAT WiFi](https://maker.wiznet.io/lawrence/projects/esp32-ethercat-wifi/) (UCC, 2022-08-30): Demonstration of UDP/IP communication over WiFi while operating EtherCAT master with ESP32 + W5500
- [주파수 혼선 없는 무선탈리 만들기 시리즈 (Create a 2.4GHz wireless tally)](https://maker.wiznet.io/lawrence/projects/%EC%A3%BC%ED%8C%8C%EC%88%98-%ED%98%BC%EC%84%A0-%EC%97%86%EB%8A%94-%EB%AC%B4%EC%84%A0%ED%83%88%EB%A6%AC-%EB%A7%8C%EB%93%A4%EA%B8%B0-%EC%8B%9C%EB%A6%AC%EC%A6%88-create-a-2-4ghz-wireless-tally/) (UCC, 2022-08-30): This project shows a wireless controller between tally light devices and user ATEM tool
- [QuBICS IoT](https://maker.wiznet.io/irina/resellers/qubics-iot/) (VAR, 2022-08-30): It is an ioT module manufactured with Cubix technology and can be applied to various ioT devices and service implementations.
- [Communication control in order to realize the remote mqtt ap](https://maker.wiznet.io/louis_m/projects/communication-control-in-order-to-realize-the-remote-mqtt-ap/) (UCC, 2022-08-30): APP obtains MAC address of W5500 using APMACBind and then performs MQTT communication with W5500
- [STM32+W5500+AIR202/302 & SSL mode](https://maker.wiznet.io/louis_m/projects/stm32-w5500-air202-302-ssl-mode/) (UCC, 2022-08-30): Port the mbedtls library so that the W5500 can connect to the MQTT server in SSL mode
- [Smart Room Controller](https://maker.wiznet.io/irina/projects/Smart-Room-Controller/) (UCC, 2022-03-29): Smart Room Controller
- [W5500 Development Note series](https://maker.wiznet.io/irina/projects/W5500-Development-Note-series/) (UCC, 2022-03-29): W5500 Development Note series
- [Measure the indoor environment with xiao RP2040 and sensor and send it to zabbix](https://maker.wiznet.io/taylor/projects/Measure-the-indoor-environment-with-xiao-RP2040-and-sensor-and-send-it-to-zabbix/) (UCC, 2022-03-02): Measure the indoor environment with xiao RP2040 and sensor and send it to zabbix
- [Raspberrypi PICO C/C++ SDK & W5500 Ethernet (CLOUD: Ubidots Basic)](https://maker.wiznet.io/matthew/projects/Raspberrypi-PICO-CC-SDK-amp-W5500-Ethernet-CLOUD-Ubidots-Basic/) (UCC, 2021-08-03): Raspberrypi PICO C/C++ SDK & W5500 Ethernet (CLOUD: Ubidots Basic)
- [IoT base platform with RaspberryPi, WIZ850io: device platform driver](https://maker.wiznet.io/praveen_k/projects/IoT-base-platform-with-RaspberryPi-WIZ850io-device-platform-driver/) (UCC, 2021-07-28): IoT base platform with RaspberryPi, WIZ850io: device platform driver
- [Ethernet-MIDI-USB Converter with STM32F042 or STM32F070](https://maker.wiznet.io/teju/projects/EthernetMIDIUSB-Converter-with-STM32F042-or-STM32F070/) (UCC, 2021-07-22): Ethernet-MIDI-USB Converter with STM32F042 or STM32F070
- [STM32 Nucleo-L476 based MIDI-Merger](https://maker.wiznet.io/praveen_k/projects/STM32-NucleoL476-based-MIDIMerger/) (UCC, 2021-07-21): STM32 Nucleo-L476 based MIDI-Merger
- [ESP32 SDK + W5500 Ethernet (2. TCP/IP Client)](https://maker.wiznet.io/matthew/projects/ESP32-SDK-W5500-Ethernet-2-TCPIP-Client/) (UCC, 2021-06-09): ESP32 SDK + W5500 Ethernet (2. TCP/IP Client)
- [ESP32 SDK + W5500 Ethernet (1.Basic Example DHCP)](https://maker.wiznet.io/matthew/projects/ESP32-SDK-W5500-Ethernet-1Basic-Example-DHCP/) (UCC, 2021-06-08): ESP32 SDK + W5500 Ethernet (1.Basic Example DHCP)
- [How to add Ethernet(W5500) to Raspberry Pi Pico ? C/C++](https://maker.wiznet.io/irina/projects/How-to-add-EthernetW5500-to-Raspberry-Pi-Pico-CC/) (UCC, 2021-05-11): How to add Ethernet(W5500) to Raspberry Pi Pico ? C/C++

## Related forum questions

- [Generic network interface for WIZ850io with RasPi Zero 2 W](https://maker.wiznet.io/forum/15976) (2026-01-22, 14 replies)
- [Server side(PC) send FIN, ACK and RST to WIZ850io TCP Client](https://maker.wiznet.io/forum/15323) (2024-10-22, 1 replies)
- [Does WIZ850io support Websocket?](https://maker.wiznet.io/forum/15264) (2024-08-23, 0 replies)
- [wiz850io TCP Client - TCP Server와 연결 직후 끊어집니다.](https://maker.wiznet.io/forum/15255) (2024-08-04, 0 replies)
- [Firmware update from WIZ820io to WIZ850io](https://maker.wiznet.io/forum/14869) (2023-04-12, 2 replies)
- [wiz850io Production ready?](https://maker.wiznet.io/forum/14799) (2023-02-03, 1 replies)
- [W5500 / WIZ850io - sending random 16 bytes frame](https://maker.wiznet.io/forum/14663) (2022-09-30, 1 replies)
- [WIZ850io PCB Layout 자료](https://maker.wiznet.io/forum/14652) (2022-09-21, 2 replies)
- [W5500 (WIZ850io) : wizchip_init(uint8_t* txsize, uint8_t* rxsize) 사용하여 버퍼를 키울 수 있는 최대 크기는 ?](https://maker.wiznet.io/forum/14642) (2022-09-14, 4 replies)
- [Wiz850io with only magnetics and small plug?](https://maker.wiznet.io/forum/14591) (2022-06-30, 1 replies)

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Source: https://maker.wiznet.io/products/wiz850io/