---
product_id: 68546506
title: "Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 Part Number: 4X90Q84427"
brand: "lenovo"
price: "$46.92"
currency: USD
in_stock: true
reviews_count: 13
category: "Lenovo"
url: https://www.desertcart.us/products/68546506-genuine-lenovo-thinkpad-ethernet-extension-adapter-cable-2-0-gen
store_origin: US
region: United States of America
---

# Gigabit Ethernet speed Seamless PXE & remote control support Durable, Lenovo-certified build Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 Part Number: 4X90Q84427

**Brand:** lenovo
**Price:** $46.92
**Availability:** ✅ In Stock

## Summary

> 🔌 Stay connected, stay ahead — the ultimate Ethernet extension for ThinkPad pros.

## Quick Answers

- **What is this?** Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 Part Number: 4X90Q84427 by lenovo
- **How much does it cost?** $46.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/68546506-genuine-lenovo-thinkpad-ethernet-extension-adapter-cable-2-0-gen)

## Best For

- lenovo enthusiasts

## Why This Product

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

## Key Features

- • **Remote Control Ready:** Supports PXE boot and remote management for seamless IT workflows.
- • **Compact & Lightweight:** Weighing just 0.32 oz, it’s the perfect travel companion for on-the-go professionals.
- • **Plug & Play Simplicity:** Effortless setup—no drivers needed, just connect and go.
- • **Lenovo Certified Quality:** Engineered specifically for ThinkPad systems to ensure perfect compatibility and durability.
- • **Blazing Fast Wired Connection:** Experience ultra-reliable gigabit Ethernet speeds for uninterrupted productivity.

## Overview

The Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 (Part Number 4X90Q84427) is a Lenovo-certified accessory designed to provide stable, high-speed wired Ethernet connectivity for select ThinkPad laptops lacking built-in ports. Supporting PXE boot and remote control features, this lightweight and durable adapter ensures seamless network access and enhanced IT management capabilities.

## Description

CBL BO ETH EXTN ADPT 2

Review: Works just fine. - Works as expected.
Review: Reliable Ethernet Adapter – Perfect Work Accessory - Works exactly as needed and is a great accessory for work. Provides a stable, fast wired connection, is easy to use, and feels sturdy. No issues with the setup—excellent choice for laptops without a built-in Ethernet port.

## Features

- ThinkPad Ethernet Extension Adapter Gen2 is the unique Ethernet cable for ThinkPad selected systems enabling Ethernet connection and supporting PXE and Remote control features

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079R19KVN |
| Best Sellers Rank | #53,917 in Electronics ( See Top 100 in Electronics ) #2,240 in Laptop Chargers & Adapters |
| Customer Reviews | 4.6 4.6 out of 5 stars (403) |
| Date First Available | February 14, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.32 ounces |
| Item model number | 4X90Q84427 |
| Language | English, English, English, English, English |
| Manufacturer | Lenovo |

## Product Details

- **Brand:** Lenovo
- **CPU Manufacturer:** Intel
- **Color:** Black
- **Connectivity Technology:** Ethernet
- **Graphics Card Description:** Integrated
- **Included Components:** Card
- **Model Name:** 4X90Q84427 11761907
- **Operating System:** Windows
- **Special Feature:** Not_Performance_Used
- **Specific Uses For Product:** Personal

## Images

![Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 Part Number: 4X90Q84427 - Image 1](https://m.media-amazon.com/images/I/319Xpki-R2L.jpg)

## Questions & Answers

**Q: Is this compatible with the X1 carbon 6th gen network port ?**
A: Yes. That's about all it fits at the moment.

**Q: Is this compatible with the thinkpad x1 extreme model 20mf?**
A: Looks like it has the correct connector on the left side.  https://www.lenovo.com/us/en/laptops/thinkpad/thinkpad-x/ThinkPad-X1-Extreme/p/22TP2TXX1E1

**Q: Does this work with ThinkpadX13 gen 1**
A: you should check with Lenovo

**Q: Will this work with the Yoga 260?**
A: This one doesn't fit Lenovo Yoga 260.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works just fine.
*by T***T on January 9, 2026*

Works as expected.

### ⭐⭐⭐⭐⭐ Reliable Ethernet Adapter – Perfect Work Accessory
*by T***R on September 22, 2025*

Works exactly as needed and is a great accessory for work. Provides a stable, fast wired connection, is easy to use, and feels sturdy. No issues with the setup—excellent choice for laptops without a built-in Ethernet port.

### ⭐⭐⭐⭐⭐ Exact part at way less cost
*by B***N on December 5, 2025*

A genuine Lenovo accessory at about 1/3 the price. Works exactly like it should.

## Frequently Bought Together

- Genuine Lenovo ThinkPad Ethernet Extension Adapter Cable 2.0 Gen 2 Part Number: 4X90Q84427
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-22*