10 Best Arduino Lan Ethernet Module in 2026

Choosing the right Arduino Lan Ethernet Module is crucial for developers who need stable and fast network connectivity for their projects. Whether you are building an IoT device or a home automation system, having a reliable module ensures your data is transmitted efficiently without drops or latency issues.

We evaluated ten top-rated modules based on performance, compatibility, ease of integration, and overall value. Our analysis covers key specifications like SPI speed, TCP/IP stack support, and voltage requirements to help you find the best fit for your specific microcontroller setup and application needs.

Each pick in this list highlights unique strengths such as budget-friendly pricing, high-speed data transfer, or robust industrial features. Please note that product availability and prices can change frequently, so check the current listings before making your final purchasing decision for your build.

Top 3 Picks for Best Arduino Lan Ethernet Module

Top 10 Best Arduino Lan Ethernet Module in 2026 Compared

This side-by-side comparison highlights the key technical specifications and features of each module to help you make an informed decision based on your project requirements and budget constraints.

1. HiLetgo 2pcs W5500 – Best Overall Module

4.2Editor scoreCheck price on Amazon

HiLetgo 2pcs W5500

W5500 Ethernet Chip

SPI 3.3V/5V

8 Independent Sockets

32k TX/RX Memory

The HiLetgo 2pcs W5500 module stands out as a top contender for developers needing robust Ethernet connectivity. With a solid 4.2 rating, it offers reliable performance for TCP/IP and UDP applications across various microcontrollers like STM32 and Arduino.

Pros

• Supports TCP/IP stack
• Wake on LAN support
• Fast SPI interface
• Dual voltage operation
• Two units in package

Cons

• Requires external power
• Setup can be tricky

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Its standout feature is the support for eight independent sockets simultaneously, which allows for complex network operations without overloading the main processor. The internal 32k bytes of memory for TX/RX buffers ensures smooth data handling even during high traffic periods.

While it requires a stable 3.3V supply and careful SPI configuration, the performance gains are worth the extra setup effort. Users appreciate the Wake on LAN feature which adds flexibility to power management strategies in IoT deployments.

This module is ideal for hobbyists and professionals who need a dependable Ethernet solution without breaking the bank. The dual pack offer extra value for testing different configurations or building multiple devices at once.

High Speed SPI Interface

The module supports high-speed serial peripheral interface protocols which significantly reduce data transfer latency between the microcontroller and the network.

Robust Buffering

Internal memory buffers help maintain stability during burst data transmissions preventing packet loss in busy network environments.

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2. HiLetgo W5500 SPI – Best Budget Option

4.3Editor scoreCheck price on Amazon

HiLetgo W5500 SPI

W5500 LAN Module

3.3V Power Supply

TTL Level Interface

TCP IP Support

This HiLetgo W5500 module offers exceptional value for those on a tight budget without sacrificing essential networking features. With a 4.3 rating, it is praised for its straightforward integration with standard Arduino and STM32 boards via the SPI interface.

Pros

• Affordable price point
• Highly rated by users
• Simple SPI integration
• Compatible with Arduino
• Stable power requirements

Cons

• Single unit per pack
• Limited documentation

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The module is designed to operate on a 3.3V external power supply ensuring that your microcontroller remains protected from voltage spikes. Its TTL level control interface makes it accessible even for beginners who are new to hardware networking protocols.

While it lacks some advanced features found in higher-end models, it handles basic TCP and UDP tasks with ease. Users find that the single unit is sufficient for most small to medium scale projects where cost efficiency is a priority.

Perfect for prototyping or student projects, this module provides a reliable entry point into wired networking. It balances performance and cost effectively making it a favorite choice for budget-conscious makers.

User Friendly Interface

The TTL level control interface simplifies wiring and configuration tasks reducing the time needed to get online.

Cost Effective Design

Manufacturing efficiency allows this module to maintain a low price point while still delivering solid network throughput.

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3. ACEIRMC W5500 – Best Premium Value

4.3Editor scoreCheck price on Amazon

ACEIRMC W5500 5pcs

W5500 Ethernet

Stable 3.3V Supply

23x25mm PCB

High Speed SPI

The ACEIRMC W5500 pack provides a premium experience with a focus on reliability and bulk utility for larger projects. Rated 4.3, these modules are known for their compact footprint and strict adherence to power supply standards which ensures long-term stability.

Pros

• Five units in pack
• Compact PCB size
• Reliable power specs
• Good customer support
• Detailed product info

Cons

• Higher upfront cost
• Requires current stability

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Each board features a 23 by 25 millimeter PCB design that saves valuable space on crowded development boards. The emphasis on a stable continuous voltage input helps prevent intermittent connection issues common in cheaper alternatives.

Although the initial investment is higher due to the five-piece quantity, the cost per unit is quite competitive. This makes it an excellent choice for production runs or educational kits where consistency across multiple devices is critical.

Recommended for engineers and advanced hobbyists who demand quality and consistency. The robust build quality and clear specifications make deployment smoother and reduce the risk of hardware failures in the field.

Compact PCB Design

The small physical footprint allows integration into tight enclosures or multi-board setups without crowding other components.

Stable Power Handling

Clear guidelines on current and voltage help prevent damage and ensure consistent performance across varying conditions.

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4. 2-Pack W5500 – Best for Real-Time Control

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2-Pack W5500 Ethernet

Hardware TCP/IP Stack

80MHz SPI Mode

Industrial PHY

8 Sockets Support

This module pack is marketed heavily on its industrial-grade features and high-speed SPI modes which are beneficial for real-time control scenarios. It promises integrated TCP/UDP/ICMP protocols and supports up to 80MHz SPI for rapid data exchange.

Pros

• Fast SPI speed
• Full protocol stack
• Auto negotiation
• 8 socket management
• Dual voltage support

Cons

• Low user rating
• Mixed quality reports

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The industrial-grade PHY chip claims auto-negotiation capabilities that should handle varying network speeds automatically. The hardware stack reduces software overhead on the microcontroller allowing it to focus on application logic rather than network management.

However, user feedback suggests inconsistent quality control which may explain the lower ratings. Prospective buyers should test units thoroughly upon arrival as some may encounter connectivity issues or inconsistent performance under load.

It is suitable for projects that need high throughput and can tolerate some initial debugging. If you need speed and protocol support in a single chip solution, this module offers compelling technical specs on paper.

High-Speed Data Transfer

The support for 80MHz SPI mode ensures that large data packets can be moved quickly between devices and the network.

Hardware Stack Integration

Built-in protocol handling reduces the code complexity required to establish secure and stable network connections.

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5. DEVMO W5100 Shield – Best for SD Card Storage

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DEVMO W5100 Shield

W5100 Chipset

SD Card Slot

RJ45 Jack

UNO MEGA Support

The DEVMO Ethernet Shield distinguishes itself by including a built-in SD card slot which is essential for logging data locally before transmission. It is designed as a shield that plugs directly onto UNO and MEGA boards making setup incredibly fast and simple.

Pros

• Direct card integration
• Plug and play shield
• Standard RJ45 jack
• Supports multiple boards
• Established chip

Cons

• Older chip technology
• Higher power consumption

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Powered by the W5100 chip, it provides a robust IP stack that supports both TCP and UDP connections. The standard RJ45 Ethernet jack ensures physical compatibility with common networking cables and routers without needing extra adapters.

While the W5100 is an older chipset compared to W5500, it remains stable and well-supported in libraries. The convenience of having storage and network on one board saves space and simplifies the build for data logging projects.

This shield is a great fit for projects that need to record sensor data over time. If you are using an Arduino UNO and need offline storage with networking, this is a practical and integrated solution.

Local Data Logging

The SD slot allows you to store data locally even if the network connection is temporarily unavailable.

Shield Integration

Being a shield means you do not need to solder wires or manage complex connections to get your board online.

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6. HiLetgo ENC28J60 – Best for Legacy Systems

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HiLetgo ENC28J60

ENC28J60 Chip

25MHZ Crystal

HR911105A Transformer

3.3V Power Supply

The HiLetgo ENC28J60 module is a classic choice for projects that need basic Ethernet support without the complexity of newer stacks. It features a reliable HR911105A isolation transformer and operates on a standard 3.3V power supply.

Pros

• Compatible with many MCUs
• Low power design
• Easy to find
• Simple SPI interface
• Reliable isolation

Cons

• Slower than W5500
• Driver support varies

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Its compatibility with AVR PIC and STM32 makes it a versatile option for a wide range of microcontrollers. The 25MHZ crystal provides a stable clock for network operations ensuring consistent timing during data transfers.

While it is slower than modern W5500 modules, it remains a cost-effective and reliable solution for low-bandwidth applications. Users appreciate its simplicity and the wide availability of libraries for various development environments.

Ideal for educational purposes or simple remote monitoring tasks where speed is not the primary concern. If you have an existing code base built for ENC28J60 this module will fit right into your workflow.

Broad Compatibility

Support for multiple microcontroller families means you can use this module with almost any project architecture.

Stable Isolation

The built-in isolation transformer protects your microcontroller from electrical noise on the network cable.

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7. ACEIRMC ENC28J60 – Best Bulk Option

4.7Editor scoreCheck price on Amazon

ACEIRMC 5pcs ENC28J60

ENC28J60-I/SO

IEEE 802.3 Compliant

HR911105A Connector

SPI Interface

This ACEIRMC pack offers a high satisfaction rate with its ENC28J60 modules which are known for being easy to interface. The 4.7 rating indicates that users find them dependable and ready to use out of the box for common projects.

Pros

• High user satisfaction
• Five unit pack
• Standard compliance
• Low cost per unit
• Quality packaging

Cons

• Older tech limits
• Not for high speed

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Being IEEE 802.3 compliant ensures that these modules work well with standard Ethernet infrastructure. Each unit includes the necessary isolation and power regulation to operate safely with common development boards like Arduino and STM32.

Purchasing five at once is cost-effective for classroom labs or small production batches. It allows you to swap units easily if one fails without needing to reorder immediately which keeps projects moving forward smoothly.

A solid choice for developers who need multiple units and do not require gigabit speeds. If you are building a fleet of simple sensors this package provides the reliability and quantity you need.

Standard Compliance

Adherence to IEEE standards guarantees interoperability with most routers and switches used in standard networks.

High Satisfaction

High ratings reflect consistent quality and performance across the batches sold to customers.

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8. W5500 Ethernet Module – Best All-Rounder

5.0Editor scoreCheck price on Amazon

W5500 Ethernet Module

Full RJ45 Port

SPI Interface

5V/3.3V Support

TCP IP Protocol

This W5500 module has achieved a perfect 5.0 rating from users who appreciate its ease of integration and robust performance. It is designed to be fully compatible with popular boards like ESP32 and ESP8266 as well as standard Arduino hardware.

Pros

• Perfect user rating
• Full size RJ45
• ESP32 compatible
• Easy tutorials
• Versatile usage

Cons

• Only one unit
• Small form factor

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The inclusion of a full-size RJ45 port makes physical connections straightforward and secure. Tutorials and sample codes are readily available online which reduces the learning curve for beginners entering the world of wired IoT.

It supports both 5V and 3.3V logic making it forgiving if you are working with mixed voltage systems. The robust TCP/IP stack ensures reliable communication whether you are hosting a web server or sending data to a cloud service.

Perfect for those who want a hassle-free experience with strong community support. If you need a single reliable unit to get started quickly this module delivers on all fronts with ease.

Broad Compatibility

Works seamlessly with a wide range of microcontrollers so you do not need to worry about logic level issues.

Easy Learning Curve

Abundant online resources make it simple to find code examples that match your specific project needs.

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9. LAN8720 Ethernet – Best for Embedded Web

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2PCS LAN8720 Ethernet

LAN8720 PHY

10/100 Mbps

Auto-MDIX Support

Embedded Web Ready

The LAN8720 board targets advanced users who need a high-performance physical layer transceiver for embedded applications. It supports 10/100 Mbps speeds and includes features like Auto-MDIX which simplifies cabling by detecting cable types automatically.

Pros

• High performance PHY
• Ultra low power
• Flexible management
• Web server ready
• Auto-MDIX feature

Cons

• Complex setup
• Fewer libraries

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Designed for low power consumption it is suitable for battery-powered or energy-sensitive IoT devices. The module is capable of acting as part of an embedded web server system making it useful for network interfaces that need direct HTTP access.

While setup can be more complex than simpler SPI modules the performance benefits are significant for high-throughput scenarios. The flexible power management architecture allows it to operate on a single 3.3V supply without external regulators.

This module is best for specialized applications where standard Ethernet modules might fall short. If you need raw PHY performance and are willing to invest time in configuration this board offers a powerful foundation.

Auto-MDIX Support

Automatic detection of straight-through or crossover cables means you can use any standard Ethernet cable without issues.

Power Management

Low power design ensures the module does not drain your system resources when idle or in sleep mode.

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10. Hailege ENC28J60 – Best Reliable Entry

4.6Editor scoreCheck price on Amazon

Hailege ENC28J60

DIP28 ENC28J60

25MHZ Crystal

HR911105A Connector

STM32 MCU Ready

The Hailege ENC28J60 module is a well-regarded option for reliable basic Ethernet connectivity. With a 4.6 rating it reflects a solid track record of functionality and durability in hobbyist and small business environments.

Pros

• Highly rated
• Reliable design
• Easy SPI use
• Standard parts
• Wide compatibility

Cons

• Limited to 100Mbps
• Basic features only

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It uses the standard DIP28 chip which is robust and easy to replace if needed. The 25MHZ crystal provides a stable timing reference ensuring that network data is sent and received without timing errors.

This module is an excellent choice for anyone needing a straightforward entry into Ethernet without advanced features. Its compatibility with STM32 and AVR boards ensures it fits into a vast ecosystem of existing hardware.

If you value reliability and simplicity over raw speed this module is a smart choice. It delivers consistent performance that keeps your projects running smoothly without unnecessary complexity.

Stable Timing

The crystal oscillator ensures that network timing remains accurate even during long periods of operation.

Simple Connectivity

Standard SPI connections make it easy to wire up to any board that supports serial peripheral interfaces.

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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module

Selecting the right Ethernet module involves evaluating several technical factors to ensure it meets your project requirements without unnecessary overhead or compatibility issues.

Chipset Performance

The chipset determines the speed and protocol support of your module. Newer chips like W5500 offer faster SPI interfaces and hardware TCP/IP stacks which reduce processor load. Older chips like ENC28J60 are slower but often cheaper and easier to find for basic tasks.

Choose a chipset that matches your project speed needs. For high data rates go for W5500. For simple telemetry ENC28J60 might suffice.

Power Requirements

Power supply stability is critical for network modules. Most modules require a stable 3.3V supply and sometimes an external 5V source. Ensure your board can deliver enough current to avoid brownouts during data transmission.

Check the voltage specs before wiring. Using an unstable power source can cause frequent connection drops and hardware damage.

Interface Type

Modules usually use SPI interfaces which are standard on most Arduino boards. Ensure your microcontroller has enough free SPI pins to connect to the module without conflicts. Some modules offer simpler wiring for beginners.

SPI is the most reliable choice for these modules. Avoid complex interfaces if you want quick integration.

Physical Size

The physical footprint of the module matters if you are designing a custom PCB or a tight enclosure. Compact modules allow for denser layouts but might be harder to solder. Larger boards often include more ports or connectors.

Measure your available space before buying. Smaller is not always better if you need easier handling.

Protocol Support

Support for TCP and UDP is standard but some modules may also offer additional features like Wake on LAN or HTTP server capabilities. Evaluate if you need these specific features to keep the hardware simple.

Prioritize modules that offer the exact protocols you need. Extra features can complicate firmware development if not required.

Compatibility

Ensure the module is compatible with your specific microcontroller like STM32 Arduino or ESP32. Voltage levels must match to prevent damage. Check if libraries are available for your preferred development environment.

Stick to well-documented modules. Compatibility saves hours of debugging and ensures a smoother development process.

Build Quality

Build quality affects reliability and longevity. Look for modules with good isolation transformers and clear labeling. Avoid cheap clones that lack proper isolation as they can damage your main board if a short occurs.

Invest in a reputable brand. Better components mean fewer failures in production or field use.

Budget and Quantity

Consider if you need a single unit or a bulk pack. Buying in bulk often reduces the unit cost and ensures consistency across multiple devices. Compare prices against the features offered to find the best value.

Plan your quantity needs early. Bulk packs are cost-effective for schools or production but more than you need.

How to Use and Care for Your Arduino Lan Ethernet Module

To install the module, connect the VCC and GND pins to your board’s power supply ensuring the voltage matches the module requirements. Connect the SPI pins including MOSI MISO SCK and SS to the corresponding pins on your microcontroller to enable data exchange.

Install the necessary libraries in your IDE such as Ethernet or specific driver libraries for the chipset. Upload a simple test sketch that prints network status or fetches data to confirm the connection is working properly.

Keep the module in a dry environment to avoid corrosion and ensure good ventilation if it heats up during operation. Regularly check connections for loose wires and update your firmware to maintain security and performance.

Frequently Asked Questions

Final Thoughts on Choosing the Best Arduino Lan Ethernet Module

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