HiLetgo W5500 SPI to LAN Ethernet Network Module
4.3Editor score
3.3V external power supply
TTL level SPI interface
TCP IP STM32 Interface
In this guide
Connecting your Arduino projects to the internet requires a reliable Lan Ethernet Module that offers stability and ease of use. Whether you are building an IoT sensor or a home automation system, choosing the right hardware is crucial for consistent data transmission and network access.
We have evaluated the leading modules based on chip performance, voltage compatibility, and community support. This list covers options ranging from budget-friendly SPI modules to advanced shields with integrated stacks, ensuring you find a fit for your specific microcontroller setup and project demands.
Each pick highlights key features like socket support and power requirements to help you make an informed decision. Prices and availability can change frequently, so verify the latest details on the product pages before proceeding with your purchase to ensure you get the best value.
Top 3 Picks for Best Arduino Lan Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module
4.2Editor score
Supports 8 independent sockets
Wake on LAN over UDP
High Speed SPI Interface
ACEIRMC W5500 SPI to LAN Ethernet Network Module
4.3Editor score
5 Pack bundle included
Stable 3.3V power supply
Compact PCB size 23mm
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
The following table provides a side-by-side look at the top modules available today. Compare their core chips, power requirements, and included quantities to determine which hardware offers the best balance of performance and value for your specific Arduino project needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
HiLetgo 2pcs W5500
Chip W5500
Voltage 3.3V/5V
Sockets 8
Interface SPI
4.2Editor score
Editor's Choice
HiLetgo W5500 SPI
Chip W5500
Voltage 3.3V
Interface SPI
STM32 Compatible
4.3Editor score
Best Premium
ACEIRMC W5500 5pcs
Chip W5500
Quantity 5 Units
Voltage 3.3V
PCB 23x25mm
4.3Editor score
2-Pack W5500 Ethernet LAN
Chip W5500
Voltage 3.3V/5V
PHY 10/100Mbps
Interface SPI Mode 0/3
1.0Editor score
DEVMO W5100 Ethernet Shield
Chip W5100
Shield Form Factor
SD Card Slot
RJ45 Jack
3.8Editor score
HiLetgo ENC28J60
Chip ENC28J60
Voltage 3.3V
Crystal 25MHZ
Transformer HR911105A
4.3Editor score
ACEIRMC 5pcs ENC28J60
Chip ENC28J60
Quantity 5 Units
Voltage 3.3V
Standard RJ45
4.7Editor score
W5500 Ethernet Module RJ45
Chip W5500
Voltage 5V/3.3V
RJ45 Port
SPI Interface
5.0Editor score
2PCS LAN8720 Ethernet Board
Chip LAN8720
Voltage 3.3V
Auto-MDIX
Quantity 2 Units
3.9Editor score
Hailege ENC28J60
Chip ENC28J60
Voltage 3.3V
Crystal 25MHZ
SPI Interface
4.6Editor score
1. HiLetgo W5500 – Best Overall Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module
W5500 Chip Set
8 Independent Sockets
32k TX/RX Buffers
3.3V to 5V
This HiLetgo module stands out as a top choice for developers needing robust Ethernet connectivity. With a 4.2 rating, it delivers reliable performance for Arduino and STM32 projects using the advanced W5500 chip.
Pros
- High speed SPI interface
- Wake on LAN support
- Dual voltage operation
- Multiple socket handling
- Stable TCP/IP stack
Cons
- Requires stable power supply
- No integrated regulator
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The module supports eight independent sockets simultaneously, allowing complex multi-threaded networking tasks. Its internal 32k bytes of memory ensure smooth data buffering, which is essential for consistent web server or client applications.
While the power supply needs to be stable, the dual voltage support makes it versatile across different microcontrollers. The Wake on LAN feature adds significant value for remote management tasks without extra hardware.
It is ideal for builders who need more than basic connectivity. If you require a balance of speed and capability for IoT devices, this module offers the features needed for professional grade results.
Advanced Socket Management
The ability to handle eight sockets allows multiple connections without constant resetting.
Versatile Power Options
Supporting both 3.3V and 5V simplifies integration with various microcontroller boards.
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2. HiLetgo W5500 – Best Value Option
HiLetgo W5500 SPI to LAN Ethernet Network Module
W5500 Chip Set
3.3V Power Supply
TTL Level SPI
TCP IP Support
For those on a tight budget, this HiLetgo module provides excellent value without sacrificing core performance. It maintains the robust W5500 chipset found in more expensive options, ensuring you get modern TCP/IP capabilities.
Pros
- Affordable pricing
- Compact design
- Easy SPI connection
- High compatibility
- Reliable networking
Cons
- Low current requirements
- Basic packaging
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The TTL level SPI interface makes it straightforward to connect to microcontrollers like Arduino or STM32. Users appreciate the straightforward setup process that gets your device online quickly after basic wiring.
Power management is critical here as it requires a stable 3.3V supply with sufficient current. Ensuring your power source meets these specs prevents connectivity drops during high load periods.
This module is perfect for hobbyists building multiple units. The low cost allows you to equip several projects with Ethernet without breaking the bank while maintaining reliable performance.
Cost Effective Design
You get professional features at a fraction of the price of standard shields.
Standard Interface
Compatible with standard SPI libraries found in most Arduino development environments.
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3. ACEIRMC W5500 – Best Bulk Premium Kit
ACEIRMC W5500 SPI to LAN Ethernet Network Module
W5500 Chip Set
5 Unit Bundle
Stable 3.3V
Compact PCB
This ACEIRMC pack is ideal for those who need multiple modules for larger projects or prototyping. It offers the premium reliability of the W5500 chip in a convenient five-piece bundle.
Pros
- Five pack included
- Quality control
- Compact PCB size
- Stable power design
- Wide voltage support
Cons
- Requires 3.3V supply
- No included headers
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The PCB size is compact at 23 by 25 mm, saving space on crowded breadboards or custom shields. This form factor allows you to integrate Ethernet into projects where space is at a premium.
Users must ensure a continuous and stable 3.3V power supply to avoid issues. The design is optimized for consistent voltage, which helps maintain signal integrity over long connection times.
If you are building a fleet of devices, this bundle saves significant time and effort. The consistent quality across the batch ensures every unit performs reliably in your final deployment.
Space Saving Footprint
Small dimensions make it easy to embed into tight enclosure spaces.
Reliable Batch Quality
Buy in bulk to ensure consistent performance across all your network nodes.
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4. 2-Pack W5500 – Standard Industrial Grade
2-Pack W5500 Ethernet LAN Module
W5500 Chip
3.3V Core
8 Sockets
10/100Mbps PHY
This module offers a robust set of features including an integrated TCP/UDP stack and industrial-grade PHY. It supports 3.3V core with 5V tolerance for broad compatibility with various boards.
Pros
- Integrated TCP/IP stack
- Dual voltage support
- 8 sockets available
- Auto negotiation
- Full duplex mode
Cons
- Low rating reported
- Requires specific setup
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The hardware supports full duplex and half duplex modes with auto-negotiation capabilities. This ensures efficient data transfer rates in various network environments without manual configuration.
While feature rich, users should verify the specific voltage stability during implementation. The 10/100Mbps speeds are standard for this class of Ethernet controller in embedded systems.
It is a solid choice for projects needing dual voltage flexibility. Ensure you check community feedback before purchase to confirm current batch reliability for your use case.
Integrated Stack
The hardware handles protocol processing, reducing CPU load on your microcontroller.
Flexible Voltage
Works with both 3.3V logic and 5V tolerant interfaces for broad compatibility.
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5. DEVMO W5100 – Classic Shield with SD
DEVMO W5100 Ethernet Network Shield
W5100 Chip
Shield Format
SD Card Slot
RJ45 Jack
This shield connects your Arduino board to the internet in minutes using the classic W5100 chip. It includes a built-in SD card slot for storing web pages or data logs.
Pros
- Includes SD card slot
- Simple plug-in use
- Wiznet stack support
- Compatible with UNO
- Standard RJ45
Cons
- Older chip technology
- Bulky shield size
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The Wiznet W5100 provides a complete network stack for TCP and UDP protocols easily. Users appreciate the simple RJ45 connection that requires no extra wiring beyond the module itself.
While newer chips exist, this remains a stable option for projects needing physical SD storage. The form factor is standard for Arduino UNO and Mega boards without extra wiring.
It is suitable for legacy projects or those requiring local file storage. If you need modern speed, consider newer W5500 modules, but this shield offers reliability.
Integrated Storage
Built-in SD slot allows hosting websites directly on your microcontroller.
Plug and Play
Stacks directly on your Arduino board for immediate connectivity setup.
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6. HiLetgo ENC28J60 – Budget Classic
HiLetgo ENC28J60
ENC28J60 Chip
3.3V Power
HR911105A Transformer
25MHZ Crystal
The ENC28J60 is a classic choice for budget-conscious builders who need basic Ethernet. It features a main chip with a 25MHZ crystal for stable clocking signals.
Pros
- Very low cost
- Wide compatibility
- Low power use
- Simple interface
- Small form factor
Cons
- Slower than W5500
- Fewer sockets
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This module supports AVR, PIC, and STM32 microcontrollers effectively. The isolation transformer ensures clean signal transmission for reliable data exchange over cables.
While it is not as fast as the W5500, it handles basic web requests well. The power supply requirement is strictly 3.3V so ensure your board can provide this.
It is great for simple sensor nodes where cost is the primary driver. If you need multiple connections, this might be limited but it works for single links.
Low Power Usage
Ideal for battery powered projects needing occasional network checks.
Broad Support
Works with many microcontrollers beyond just Arduino for flexible prototyping.
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7. ACEIRMC 5pcs ENC28J60 – Bulk Classic Kit
ACEIRMC 5pcs ENC28J60
ENC28J60 Chip
Quantity 5 Units
HR911105A Isolation
IEEE 802.3
This bundle offers five units of the reliable ENC28J60 module for large scale prototyping. It carries a high 4.7 rating indicating strong user satisfaction with consistency.
Pros
- High rated bundle
- Low cost per unit
- Reliable isolation
- Standard Ethernet
- Easy to source
Cons
- Older tech
- Requires 3.3V
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The IEEE 802.3 compatible controller ensures standard network behavior. The HR911105A isolation transformer is a key component for protecting your microcontroller from line noise.
Users find the low power consumption beneficial for embedded devices. While not the fastest, it handles standard HTTP requests and small data transfers efficiently.
It is a practical choice for those needing multiple identical units. The high rating suggests quality control is good across the batch for your projects.
Standard Compliance
Meets IEEE 802.3 standards ensuring compatibility with most routers.
Unit Value
Buying five at once reduces the cost per module significantly.
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8. W5500 Ethernet RJ45 – Easy Integration
W5500 Ethernet Module RJ45
W5500 Chip
Full Size RJ45
SPI Interface
5V/3.3V
This module achieves a perfect 5.0 rating for its reliable TCP/IP connectivity. It is designed to work seamlessly with Arduino and ESP32 boards for diverse IoT projects.
Pros
- Perfect rating
- Standard RJ45 port
- Wide compatibility
- Robust protocols
- Easy to learn
Cons
- Single unit only
- No header pins
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The full size RJ45 port simplifies physical connections to your network hardware. Users report that tutorials and sample code make learning this module straightforward for beginners.
Supporting both 5V and 3.3V microcontrollers increases flexibility. The SPI interface ensures fast communication rates for responsive web interfaces or data logging.
It is the best option for a single project needing high reliability. If you value ease of use and broad compatibility, this module delivers excellent results.
High Reliability
Perfect user score reflects consistent performance across real world deployments.
Beginner Friendly
Rich online resources help you start coding network features immediately.
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9. 2PCS LAN8720 – PHY Transceiver Kit
2PCS LAN8720 Ethernet Board
LAN8720 Transceiver
Auto-MDIX Support
3.3V Supply
Ultra low power
The LAN8720 board is a high-performance physical layer transceiver for embedded systems. It supports 10/100 Ethernet speeds with a flexible power management architecture.
Pros
- High performance PHY
- Auto MDIX feature
- 10/100Mbps speed
- Flexible power
- Embedded server ready
Cons
- More complex to setup
- Limited documentation
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Auto-MDIX allows for flexible power connections without manual crossover cables. The ultra-low power design makes it suitable for battery operated embedded servers.
You may need more setup knowledge compared to modules with full TCP/IP stacks. It provides raw transceiver capabilities that can be paired with specific microcontroller firmware.
This is suitable for advanced users building custom network solutions. If you need specific physical layer features, this offers a high-performance option.
Auto MDIX
Automatically detects cable type so you do not need crossover cables.
Power Efficiency
Designed to use minimal power for long running server applications.
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10. Hailege ENC28J60 – Simple Module
Hailege ENC28J60
ENC28J60 Chip
DIP28 Package
HR911105A Isolation
25MHZ Crystal
The Hailege module is a straightforward Ethernet solution for various microcontrollers. It features a DIP28 package ENC28J60 chip for stable and reliable connections.
Pros
- Good user rating
- Low price point
- Simple SPI wiring
- Wide MCU support
- Stable isolation
Cons
- Older chip
- Limited throughput
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The HR911105A isolation transformer ensures robust signal quality. This module supports 51, AVR, LPC, and STM32 MCUs for broad flexibility in hardware choices.
Users find it easy to wire and use for basic network tasks. The 25MHZ crystal helps maintain accurate timing for consistent data transmission rates.
It is a great option for simple connectivity needs at a low cost. If you have an existing library for ENC28J60, this fits perfectly into your workflow.
Broad MCU Support
Works with a wide variety of microcontroller families for flexible design.
Simple Wiring
Straightforward SPI connections make it easy to integrate quickly.
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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Choosing the right Ethernet module depends on your specific microcontroller and project requirements. Consider these factors to ensure compatibility and optimal performance.
Chip Type
The chip inside determines performance and features. W5500 chips offer high speed and multiple sockets. ENC28J60 chips are cheaper but slower.
Choose W5500 for modern performance or ENC28J60 for cost savings.
Voltage Requirements
Ensure the module matches your microcontroller logic levels. Some modules work with both 3.3V and 5V while others only take 3.3V.
Check your board voltage to avoid damaging the module or board.
Interface Type
Most modules use SPI which is fast and standard for Arduino. Some shields offer direct connection without extra wiring.
SPI is standard so choose based on what your board supports.
Socket Count
Advanced modules support multiple sockets for simultaneous connections. This is vital for servers handling multiple clients at once.
If you need multi-connections pick a module with higher socket counts.
Power Needs
Ethernet modules draw significant current during activity. Ensure your power supply can provide stable voltage under load.
Use a dedicated power source to avoid brownouts during data transfer.
Connector Type
Modules come with standard RJ45 ports or bare wires. Standard ports make cable connections easier and more robust.
Choose standard RJ45 for easier physical connections to routers.
Package Quantity
Buying in bulk often reduces the cost per unit. Kits with five modules are good for large scale deployment.
If building multiple devices check bulk options for better value.
Community Support
Modules with large user bases have more tutorials and code. Look for libraries that support your specific board.
Strong community support makes debugging and development much easier.
How to Use and Care for Your Arduino Lan Ethernet Module
Connect the module using the correct pins such as MOSI, MISO, SCK, and SS. Verify your pinouts against the datasheet to avoid short circuits.
Power the module with a stable source meeting its voltage and current needs. Use a dedicated supply if the USB port cannot handle the load.
Test your connection with a simple example sketch before complex code. Ensure your IP settings are correct for your local network.
Frequently Asked Questions
Which module is best for Arduino Uno?
For Arduino Uno the W5500 modules offer great performance with good compatibility. You can also use ENC28J60 modules if you need to save money on the project.
Do I need a level shifter?
If your board runs at 5V and the module is 3.3V only you may need a level shifter. Many W5500 modules support 5V logic so check the specs first.
What is the difference between W5100 and W5500?
W5500 is newer and faster than W5100. It supports more sockets and has better performance for web servers and heavy data usage.
Why does my connection keep dropping?
Dropping connections often mean insufficient power supply current. Ensure your power source can provide stable voltage especially during high traffic times.
Can I use Ethernet with ESP32?
Yes you can use SPI Ethernet modules with ESP32. You will need to configure the pin mapping correctly in your code.
What libraries should I use?
For Arduino the Ethernet2 library works well for W5500. For ENC28J60 look for the EtherCard library or similar community maintained options.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
We have reviewed ten modules ranging from high-performance W5500 options to budget ENC28J60 units. Each offers distinct benefits depending on your project size and power needs.
Prioritize voltage compatibility and power stability when making your selection. A reliable power source will save you from many connection issues in the long run.
Always verify the latest pricing and availability before purchasing. Check product pages to ensure the module matches your exact technical requirements.