---
product_id: 167847322
title: "W5100 Ethernet Network W5100 Ethernet Expansion Board with SD Card Slot for for 2009 MEGA1280 (All Versions)"
brand: "tangxi"
price: "S$0"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/167847322-w5100-ethernet-network-w5100-ethernet-expansion-board-with-sd-card
store_origin: SG
region: Singapore
---

# TCP/UDP Support Internet Connectivity Micro-SD Slot W5100 Ethernet Network W5100 Ethernet Expansion Board with SD Card Slot for for 2009 MEGA1280 (All Versions)

**Brand:** tangxi
**Price:** S$0
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Arduino Experience!

## Quick Answers

- **What is this?** W5100 Ethernet Network W5100 Ethernet Expansion Board with SD Card Slot for for 2009 MEGA1280 (All Versions) by tangxi
- **How much does it cost?** S$0 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/167847322-w5100-ethernet-network-w5100-ethernet-expansion-board-with-sd-card)

## Best For

- tangxi enthusiasts

## Why This Product

- Trusted tangxi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightweight Design:** Weighs only 1.06 ounces for easy integration into your projects.
- • **Broad Compatibility:** Works with various Arduino models including Uno and Mega.
- • **Robust Networking Stack:** Utilizes Wiznet W5100 for reliable TCP/UDP communication.
- • **Micro-SD Storage Capability:** Store and access files directly from the network with ease.
- • **Seamless Online Integration:** Transform your Arduino into a web server or client effortlessly.

## Overview

The W5100 Ethernet Expansion Board is a versatile accessory for Arduino enthusiasts, enabling seamless internet connectivity and file storage through its micro-SD card slot. Compatible with multiple Arduino models, it leverages the powerful Wiznet W5100 chip for robust networking capabilities.

## Description

Features: 1. The W5100 provides a network (IP) stack capable of both and UDP. 2. It supports up to four simultaneous socket connections. 3. Suitable for motherboard (all versions), for , for mega 1280, for mega 2560. 4. Use the Ethernet library to write sketches which connect to the internet using the . Specifications: Material: Plastic Size: 68.8 * 53.3 * 1.6 mm / 2.7 * 2.1 * 0.06in Weight: Approx. 28g Package List: 1 * Expansion Board

## Features

- 1. Using this Ethernet , your for board can be used to connect to the Internet and can be used as a server or client.
- 2. This Ethernet based on W5100 Ethernet chip provides you with a way to easily get Online, because it is directly supported by the official Ethernet library.
- 3. It adds a card slot, which can be used to store files provided through the network.
- It is compatible with Duemilanove (168 or 328), for and Mega (1280/2560) and can be accessed using the SD library.
- 4. W5100 provides a network (IP) stack that can support both and UDP.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TD8LRNX |
| Best Sellers Rank | #12,213 in Single Board Computers (Computers & Accessories) |
| Brand | Tangxi |
| Built-In Media | Expansion Board |
| Chipset Type | W5100 Ethernet Chip |
| Compatible Devices | Microcontrollers (Arduino Duemilanove, Arduino Mega 1280/2560), Computers (as server or client) |
| Customer Reviews | 3.8 3.8 out of 5 stars (25) |
| Item Weight | 0.03 kg |
| Manufacturer | PUSOKEI |
| Memory Slots Available | 1 micro-SD card slot |
| Mfr Part Number | Tangxinfdmc7ghit |
| Model Number | Tangxinfdmc7ghit |
| RAM Memory Technology | DDR2, DDR3, DDR4 |
| System Bus Standard Supported | SATA 3 |
| UPC | 715990780398 715990708934 |

## Product Details

- **Brand:** Tangxi
- **Chipset Type:** W5100 Ethernet Chip
- **Compatible Devices:** Microcontrollers (Arduino Duemilanove, Arduino Mega 1280/2560), Computers (as server or client)
- **Manufacturer:** PUSOKEI
- **Memory Slots Available:** 1 micro-SD card slot
- **RAM Memory Technology:** DDR2, DDR3, DDR4
- **System Bus Standard Supported:** SATA 3
- **UPC:** 715990780398 715990708934

## Images

![W5100 Ethernet Network W5100 Ethernet Expansion Board with SD Card Slot for for 2009 MEGA1280 (All Versions) - Image 1](https://m.media-amazon.com/images/I/71fFR2akHAL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/167847322-w5100-ethernet-network-w5100-ethernet-expansion-board-with-sd-card](https://www.desertcart.sg/products/167847322-w5100-ethernet-network-w5100-ethernet-expansion-board-with-sd-card)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-21*