10 Best Arduino Lan Ethernet Module in 2026

Connecting your Arduino projects to a local network or the internet opens up a world of possibilities for automation, data logging, and remote control. Finding the right Lan Ethernet Module ensures your device communicates reliably without sacrificing performance or ease of use.

We evaluated ten distinct Ethernet modules based on hardware specs, protocol support, voltage compatibility, and community feedback. Each option was assessed for real-world stability, driver availability, and physical footprint to help you select the best fit for your build.

Every pick below highlights key features, strengths, and trade-offs to guide your decision. Prices and stock levels fluctuate frequently, so always verify the latest details on the product page before purchasing to ensure you get the current version.

Top 3 Picks for Best Arduino Lan Ethernet Module

Top 10 Best Arduino Lan Ethernet Module in 2026 Compared

The following table provides a side-by-side overview of all ten modules, highlighting core specifications like chip type, voltage requirements, and interface standards to streamline your comparison process.

1. HiLetgo 2pcs W5500 Ethernet LAN Network Module – Best Overall Arduino Lan Ethernet Module

4.2Editor scoreCheck price on Amazon

HiLetgo 2pcs W5500 Ethernet LAN Network Module

W5500 Chipset

32KB TX/RX Buffer

8 Independent Sockets

SPI Interface 3.3V

This HiLetgo module offers a solid Ethernet solution for Arduino and STM32 boards with a W5500 chip and 32KB buffers. Users appreciate the 8 independent sockets and the ability to handle TCP/IP efficiently without external RAM. It is rated 4.2 stars based on community feedback regarding stability and ease of use.

Pros

• Dual voltage operation
• Multiple simultaneous sockets
• Wake on LAN support
• High SPI data rates
• Cost-effective dual pack

Cons

• Requires level shifting
• Small footprint limits ports

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The module supports high speed SPI communication and features internal buffers that simplify data transmission. Its 3.3V/5V operation makes it versatile for different microcontroller families while maintaining a compact form factor. The inclusion of Wake on LAN over UDP adds value for remote management applications.

While the module is reliable, you may need level shifters for 5V logic depending on your board configuration. The small size is great for projects but limits direct GPIO access for extra functions. These trade-offs are acceptable given the performance and price point.

Buyers looking for a reliable W5500-based option should consider this dual pack. It is ideal for IoT devices or networked sensors that need consistent TCP/IP connections without complex wiring or external memory.

Robust TCP/IP Stack

The W5500 chip handles network protocols in hardware reducing CPU load on your microcontroller for smoother performance.

Efficient Data Handling

Internal 32KB TX/RX buffers allow for larger data packets and better throughput during network transfers.

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2. HiLetgo W5500 SPI to LAN Ethernet Network Module – Best Budget Arduino Lan Ethernet Module

4.3Editor scoreCheck price on Amazon

HiLetgo W5500 SPI to LAN Ethernet Network Module

W5500 Ethernet Chip

TTL 3.3V SPI

3.3V/5V Power

TCP IP Interface

This module is a budget-friendly choice for adding Ethernet to Arduino or STM32 projects with W5500 hardware acceleration. It supports SPI communication and offers reliable TCP/IP connectivity in a compact design. With a 4.3 rating, it is a favorite for hobbyists needing simple network integration.

Pros

• Low power consumption
• Wide voltage support
• Stable TCP connection
• Small PCB footprint
• Affordable single unit

Cons

• Requires stable voltage
• No onboard regulator

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The 3.3V external power supply requirement ensures efficient operation but demands a stable source above 200mA. Its TTL level SPI interface simplifies connections to microcontrollers while maintaining compatibility with 5V systems. This makes it a versatile option for various hardware setups.

You must ensure your power supply is clean and stable to avoid communication glitches. The absence of an onboard regulator means extra care in voltage selection. These constraints are minor for most users who plan their power systems well.

Choose this if you need a cost-effective and reliable Ethernet module for simple to medium-complexity projects. Its balance of price and performance makes it accessible for both beginners and experienced builders.

Stable SPI Communication

The TTL level SPI interface ensures quick and stable data exchange with your main microcontroller board.

Efficient Power Use

Designed for low power operation it helps extend battery life in portable networked applications.

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3. W5500 Ethernet Module TCP/IP Network Module – Best Premium Arduino Lan Ethernet Module

5.0Editor scoreCheck price on Amazon

W5500 Ethernet Module TCP/IP Network Module

W5500 Chip

Standard RJ45 Port

10/100Mbps PHY

SPI Interface

This module stands out with its full-size RJ45 port and industrial-grade PHY for stable Ethernet performance. It supports 10/100Mbps speeds and works seamlessly with Arduino ESP32 and ESP8266 boards. Users praise its reliability and 5.0 rating for consistent network connectivity.

Pros

• Full-size RJ45
• High reliability rating
• Auto-negotiation
• Wide microcontroller support
• Industrial-grade PHY

Cons

• Larger than others
• Limited availability

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The embedded 10/100Mbps Ethernet PHY with auto-negotiation simplifies network setup and ensures optimal link speed. SPI interface integration makes it easy to connect for fast real-time control scenarios. The standard RJ45 interface avoids adapters and simplifies wiring for any network setup.

Its slightly larger footprint may be a concern for space-constrained projects but is offset by durability. Limited availability could delay shipments so plan ahead. These minor issues are outweighed by its robust build and high reliability.

If you need a premium Ethernet solution with guaranteed stability and full-speed LAN capabilities this module is ideal. It is perfect for advanced IoT or robotics projects requiring dependable network communication.

High-Speed Data Transfer

Embedded 10/100Mbps PHY supports fast data rates ideal for real-time streaming or logging.

Universal Compatibility

Designed to work with a wide range of microcontrollers for easy integration into diverse projects.

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4. 2-Pack W5500 Ethernet – High Value Arduino Lan Ethernet Module

1.0Editor scoreCheck price on Amazon

2-Pack W5500 Ethernet

W5500 Chipset

8 Sockets Support

32KB TX/RX Buffers

SPI Mode 0/3

This product is marketed as a dual-pack Ethernet module using W5500 hardware for efficient networking. While it offers standard features like 32KB buffers and multi-connection support user feedback indicates significant reliability problems. It holds a 1.0 rating reflecting inconsistent quality or performance.

Pros

• Dual unit pack
• Wake on LAN
• TCP/UDP support
• Hardware TCP/IP stack
• High SPI data rates

Cons

• Poor reliability reports
• Quality control issues

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The module supports SPI Mode 0/3 and manages eight sockets simultaneously for network efficiency. It includes hardware TCP/IP stacks with Wake on LAN capabilities that should enhance usability. However reported quality inconsistencies undermine these potential benefits.

Users have experienced units that fail to initialize or maintain stable connections. Poor quality control suggests checking every unit before integration. These issues are significant for projects requiring continuous uptime or reliability.

We recommend avoiding this specific listing unless recent batches show improvement. Consider other W5500 options for guaranteed performance and reliability in critical applications.

Multi-Connection Capability

Supports up to eight simultaneous network sockets allowing parallel data handling.

Hardware Offload

Integrated TCP/IP stack offloads network tasks from your microcontroller CPU.

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5. DEVMO W5100 Shield – Classic Arduino Lan Ethernet Module

3.8Editor scoreCheck price on Amazon

DEVMO W5100 Shield

W5100 Chip

Shield Form Factor

SD Card Slot

RJ45 Jack

This shield connects Arduino UNO and MEGA boards to the internet with a W5100 chip and SD card slot. It simplifies integration by stacking directly on top of your board for quick setup. Users rate it 3.8 stars for reliability and utility.

Pros

• Plug-and-play shield
• SD card logging
• Standard RJ45
• TCP/UDP support
• Uno/Mega compatible

Cons

• Uses many pins
• Older chip

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The shield includes a standard RJ45 jack and provides both TCP and UDP protocols for networking. Its SD card slot enables local data logging while networked. The W5100 chip is well-supported by Arduino Ethernet libraries.

It occupies multiple pins and may block other shields or headers. The W5100 is older and less efficient than W5500 options. These trade-offs are acceptable for simple projects needing extra storage.

Buy this if you want a shield with built-in SD storage for logging data alongside network access. It suits hobbyist projects using classic Arduino boards.

Integrated Storage

Onboard SD card slot allows saving network data directly without extra modules.

Easy Integration

Stacking shield design plugs directly into Arduino pins for immediate use.

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6. HiLetgo ENC28J60 – Entry Level Arduino Lan Ethernet Module

4.3Editor scoreCheck price on Amazon

HiLetgo ENC28J60

ENC28J60 Chip

3.3V Operation

RJ45 Connector

25MHz Crystal

This module uses the ENC28J60 chip to add Ethernet to Arduino or AVR boards at a low cost. It operates at 3.3V and includes an HR911105A isolation transformer for signal stability. Rated 4.3 stars it is popular for simple networking tasks.

Pros

• Affordable
• Low voltage
• SPI interface
• Works with AVR
• Compact size

Cons

• Slower speed
• No hardware TCP

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The SPI interface and 25MHz crystal support reliable data transfer without complex drivers. Its compact form fits well in space-constrained designs. It supports PIC LPC and STM32 microcontrollers expanding compatibility options.

ENC28J60 lacks hardware TCP/IP stack meaning your MCU handles more processing. Speed is lower than W5500 options limiting high-throughput applications. These limitations are acceptable for basic sensor data transmission.

Choose this for low-budget projects needing simple Ethernet connectivity. It is ideal for educational purposes or basic data logging tasks.

Low Power Operation

Designed for 3.3V supply reducing power consumption for battery projects.

Broad Compatibility

Works with AVR PIC and STM32 families making it versatile across platforms.

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7. ACEIRMC ENC28J60 5pcs – Bulk Arduino Lan Ethernet Module

4.7Editor scoreCheck price on Amazon

ACEIRMC ENC28J60 5pcs

ENC28J60 Chipset

IEEE 802.3 Compatible

25MHz Crystal

RJ45 Connector

This five-piece pack offers multiple ENC28J60 Ethernet modules at a competitive price point for bulk builds. Each unit features a standard RJ45 connector and HR911105A isolation for network stability. Users rate it 4.7 stars for reliability and consistency across units.

Pros

• Bulk pack value
• Consistent quality
• Standard protocol
• 3.3V power
• High rating

Cons

• ENC28J60 limits
• No hardware stack

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The modules adhere to IEEE 802.3 Ethernet standards ensuring compatibility with network switches. Their SPI interface and 25MHz crystal simplify integration with various microcontrollers. This pack supports AVR PIC and STM32 families effectively.

While reliable the ENC28J60 chip has slower speeds than W5500 options. You must manage TCP/IP in software which uses CPU cycles. These trade-offs are acceptable for simple or non-critical network tasks.

Buy this if you need multiple modules for prototypes or large projects. The bulk packaging and high quality make it a smart choice.

Standard Protocol Support

Compliant with IEEE 802.3 standards ensuring broad network device compatibility.

Cost-Efficient

Five-pack pricing lowers cost per module for large-scale projects.

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8. W5500 Ethernet Module – User Favorite Arduino Lan Ethernet Module

5.0Editor scoreCheck price on Amazon

W5500 Ethernet Module

W5500 Module

Full RJ45 Port

5V/3.3V Support

SPI Interface

This module offers W5500-based Ethernet connectivity with a full-size RJ45 port for easy LAN access. It supports Arduino ESP32 and ESP8266 boards with 5V or 3.3V input. Users praise it with a 5.0 rating for performance and usability.

Pros

• High user rating
• Full-size RJ45
• Wide compatibility
• Hardware TCP/IP
• Tutorial support

Cons

• Single unit sold
• Higher cost

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It communicates via SPI for fast integration and supports TCP/IP protocols for reliable internet or local network access. Sample codes and tutorials simplify setup making it approachable for educational projects. Its design suits IoT or robotics applications.

Buying single units may cost more per module than multi-pack options. The compact size is smaller than standard shield but may need adapters. These trade-offs are minor for most users.

Choose this for simple, well-supported Ethernet solutions in microcontroller projects. Its compatibility and performance make it a standout for hobbyists.

Easy Integration

SPI interface ensures quick and reliable communication with your microcontroller.

Robust Protocols

Supports TCP/IP for reliable data transmission across networks.

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9. 2PCS LAN8720 Ethernet – Advanced Arduino Lan Ethernet Module

3.9Editor scoreCheck price on Amazon

2PCS LAN8720 Ethernet

LAN8720 PHY

10/100Mbps Speed

3.3V Power

Auto-MDIX

This kit includes two LAN8720 Ethernet boards for advanced 10/100Mbps network connections on Arduino. They feature HP Auto-MDIX and flexible power management for embedded server applications. Rated 3.9 stars it is useful for specialized builds.

Pros

• High performance PHY
• Auto-MDIX support
• Dual pack
• Flexible power
• Server ready

Cons

• Complex integration
• Steeper learning

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Each board includes a 1.2V regulator and operates from a single 3.3V supply. The embedded web server support simplifies IoT tasks. Its low power design suits portable or battery-powered systems.

Integration requires careful GPIO mapping and software configuration. It is more complex than plug-and-play W5500 modules. These challenges are acceptable for advanced users.

Buy this if you need a dual-pack PHY for custom embedded servers. It suits projects needing high-speed physical layer control.

High-Speed PHY

10/100Mbps transceiver ensures fast data transmission across networks.

Flexible Power

3.3V supply with internal regulator simplifies power design.

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10. Hailege ENC28J60 – Budget Arduino Lan Ethernet Module

4.6Editor scoreCheck price on Amazon

Hailege ENC28J60

ENC28J60-I/SO

DIP28 Package

HR911105A Isolation

3.3V Supply

This module uses ENC28J60-I/SO to provide Ethernet connectivity for Arduino AVR PIC or STM32 boards. It operates at 3.3V and includes HR911105A isolation for network safety. With 4.6 stars it is favored for cost-effective networking.

Pros

• Affordable price
• High rating
• SPI interface
• Multi-platform
• Small form

Cons

• No TCP hardware
• Lower speed

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The DIP28 package is compact and fits many PCBs. SPI interface simplifies connection to microcontrollers without complex wiring. It is ideal for basic data logging or web server prototypes.

ENC28J60 lacks hardware TCP/IP stack so your microcontroller handles protocol logic. Speed is lower than W5500 options but sufficient for simple uses. These limits are acceptable for beginners.

Choose this for low-cost Ethernet projects needing basic connectivity. It is suitable for prototypes or learning networked programming.

Compact Package

DIP28 package saves space for smaller project PCBs.

Isolation Safety

HR911105A isolation transformer protects circuits from network surges.

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

Selecting the right Ethernet module depends on your project needs, microcontroller compatibility, and performance expectations. Consider the following factors to narrow down your options.

Chipset and Protocol Support

Ethernet modules use chips like W5500, W5100, or ENC28J60 to handle network stacks. W5500 offers hardware TCP/IP support and higher speeds reducing microcontroller load. ENC28J60 is cheaper but relies on software protocol handling which uses CPU resources. For real-time applications choose hardware-offloaded chips to ensure stability.

Look for modules with hardware TCP/IP stacks for best performance and reliability.

Voltage Compatibility

Most modules operate at 3.3V or 5V. Arduino Uno is 5V while ESP32 and STM32 are often 3.3V. Ensure the module supports your board's logic voltage to avoid damage or communication failure. Some modules accept 5V I/O but require 3.3V core voltage. Always check the datasheet for voltage specs.

Match the module voltage to your microcontroller to prevent hardware damage.

Interface Type

Modules connect via SPI, parallel, or I2C. SPI is most common and offers high speed with fewer pins. Parallel interfaces consume many GPIO pins limiting expansion. SPI modules are easier to integrate and more widely supported by libraries. Choose SPI for simplicity and compatibility.

Prefer SPI interface for fewer pins and easier software support.

Connector Type

RJ45 connectors come in full-size or modular form. Full-size ports are standard and easy to plug into cables. Some compact modules use solder pads or mini-ports that require custom cabling. For ease of use select modules with standard RJ45 jacks.

Select standard RJ45 ports for convenient physical connections.

Buffer Size

TX/RX buffer size affects data throughput and connection stability. Larger buffers like 32KB help handle bursts of data without dropping packets. Smaller buffers may cause issues under high load. If your project transfers large files or streams data, prioritize modules with larger memory.

Higher buffer sizes improve performance during heavy network traffic.

Wake on LAN Support

Wake on LAN allows remote devices to power on over network. This feature is useful for IoT systems needing remote activation. Not all modules support it so check documentation if you need remote control. UDP-based Wake on LAN is common in W5500 modules.

Look for Wake on LAN if you need remote device activation features.

Quality and Brand

Reputable brands ensure consistent component quality and reliable isolation transformers. Lower-cost generic modules may fail due to poor isolation or unstable power. Read user reviews and check seller ratings before buying. Quality control impacts long-term reliability.

Choose known brands with positive reviews for dependable performance.

Price and Value

Prices vary based on features, chip, and pack size. Multi-packs lower cost per unit for bulk projects. Consider total cost including level shifters or regulators. Balance budget with performance to avoid underpowered modules.

Calculate total project cost including accessories to find best value.

How to Use and Care for Your Arduino Lan Ethernet Module

Connect the module via SPI pins to your microcontroller. Ensure MOSI, MISO, SCK, and CS are properly wired. For 5V boards, use level shifters on SPI lines to protect the module.

Provide a stable power supply matching the module voltage. Add a capacitor near the power pin to reduce noise. For 3.3V boards, use a 5V regulator if your microcontroller needs higher voltage.

Install the appropriate Ethernet library in your IDE. Configure your IP address or use DHCP. Test connectivity using a simple ping sketch. Secure your module in a case to avoid physical damage during use.

Frequently Asked Questions

Final Thoughts on Choosing the Best Arduino Lan Ethernet Module

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