---
product_id: 729437491
title: "Cable Matters 40Gbps USB 4 Extension Cable - 0.5m, 8K@60Hz / 4K@240Hz Video, 240W Charging, 40Gbps Data Transfer, USB C Extension Cable, USB C Male to Female, USB 4 / Thunderbolt 4/5, Nintendo Switch"
brand: "cable matters"
price: "3134 kr"
currency: ISK
in_stock: true
reviews_count: 8
url: https://www.desertcart.is/products/729437491-cable-matters-40gbps-usb-4-extension-cable-0-5m-8k
store_origin: IS
region: Iceland
---

# 240W Power Delivery 8K@60Hz / 4K@240Hz Video Support 40Gbps Data Transfer Speed Cable Matters 40Gbps USB 4 Extension Cable - 0.5m, 8K@60Hz / 4K@240Hz Video, 240W Charging, 40Gbps Data Transfer, USB C Extension Cable, USB C Male to Female, USB 4 / Thunderbolt 4/5, Nintendo Switch

**Brand:** cable matters
**Price:** 3134 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Extend your power, speed, and vision—because your setup deserves the best.

## Quick Answers

- **What is this?** Cable Matters 40Gbps USB 4 Extension Cable - 0.5m, 8K@60Hz / 4K@240Hz Video, 240W Charging, 40Gbps Data Transfer, USB C Extension Cable, USB C Male to Female, USB 4 / Thunderbolt 4/5, Nintendo Switch by cable matters
- **How much does it cost?** 3134 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/729437491-cable-matters-40gbps-usb-4-extension-cable-0-5m-8k)

## Best For

- cable matters enthusiasts

## Why This Product

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

## Key Features

- • **Power Up to 240W:** Charge your devices at lightning speed while extending your reach.
- • **Next-Level Video Clarity:** Seamlessly extend 8K@60Hz or 4K@240Hz displays for stunning visuals.
- • **Effortless Reversible USB-C:** Plug in any way, every time—no fumbling, just flawless connection.
- • **Blazing Fast 40Gbps Transfer:** Experience ultra-high-speed data flow without compromise.
- • **Universal Thunderbolt 4/5 Compatibility:** Future-proof your setup with seamless integration across top devices including Nintendo Switch 2.

## Overview

The Cable Matters 0.5m USB 4 Extension Cable delivers ultra-fast 40Gbps data transfer, supports stunning 8K@60Hz and 4K@240Hz video output, and provides up to 240W power delivery. Designed with reversible USB-C connectors and full Thunderbolt 4/5 compatibility, it effortlessly extends your USB-C or Thunderbolt cables without sacrificing speed or power, perfect for high-performance monitors and next-gen devices like the Nintendo Switch 2.

## Description

Full description not available

## Features

- USB-C / Thunderbolt 4 Extension Cable: Extend your USB-C device with Thunderbolt 4 compatible USB-C extension cable; Simply connect this Type C extension cable to the end of a standard USB-C or Thunderbolt cable and instantly extend the cable
- TRUE REVERSIBLE USB-C COMPATIBILITY: This USB-C extension cord is designed to fully support the reversible functionality and allows you to insert the USB-C connector in either direction. Enjoy seamless integration and convenience in any connection
- USB4 / Thunderbolt 40Gbps: Extend your cable connection without sacrificing speed; This USB 4 extension cable is fully compatible with USB4 and Thunderbolt 4 40Gbps transmission modes for the ultimate USB-C extension speed
- PERFECT USB-C VIDEO COMPANION: Extend your standard USB-C video cable and extend the cable length from your device to your monitor while maintaining the power and bandwidth of USB 4 offers; Easily connect your 4K monitor or 8K monitor with this USB Type C extension cable
- 240W Power Delivery: This USB C male to female extension cable supports up to 240W Power Delivery charging and powering your connected devices
- DURABLE AND POWERFUL: Acting as a Thunderbolt extension cable, this USBC extension cable features a durable design for frequent connections and disconnections

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Gender | Male-to-Female |
| Compatible Devices | Laptop |
| Batteries Included | No |
| Batteries Required | No |
| Brand | Cable Matters |
| Manufacturer | Cable Matters |
| Item Model Number | 201404-0.5m |
| Special Features | High Speed, Rechargeable |
| Size | 0.5m (40Gbps) |
| Cable Type | USB |
| Package Dimensions | 20.6 x 15.7 x 1.3 cm; 30 g |
| Item Weight | 0.03 Kilograms |

## Product Details

- **Brand:** Cable Matters
- **Connector Type:** USB Type C
- **Cable Type:** USB
- **Compatible Devices:** Laptop
- **Special Feature:** High Speed, Rechargeable

## Images

![Cable Matters 40Gbps USB 4 Extension Cable - 0.5m, 8K@60Hz / 4K@240Hz Video, 240W Charging, 40Gbps Data Transfer, USB C Extension Cable, USB C Male to Female, USB 4 / Thunderbolt 4/5, Nintendo Switch - Image 1](https://m.media-amazon.com/images/I/710QJ3cdWHL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can it work with Nintendo switch 2 dock?**
A: Yes, this extension cable is fully compatible with the Nintendo Switch 2 dock and maintains optimal performance for both power delivery and video output.

**Q: What should I do if the extension cable is not working?**
A: Ensure the extended cable is within the recommended length. Test your device without the extension, try another USB-C port, or test with another USB-C device. If it still fails, contact Cable Matters for further instructions.

**Q: What is the recommended maximum extension length with this cable?**
A: This extension cable is designed for short runs. It supports extending a 3.3ft USB-C cable to a docking station or a 6ft USB-C cable to a monitor. Longer extensions may exceed the signal tolerance of some devices and cause signal instability.

## Customer Reviews

### ⭐⭐⭐⭐⭐ ようやく安定動作を実現できたUSB-C延長ケーブル
*by N***Y on May 20, 2025*

USB-Cの延長ケーブルは思った以上にシビアで、特に10Gbps以上の通信を安定して行うには、ケーブルの仕様や品質が非常に重要であると今回あらためて実感しました。これまで「10Gbps対応」をうたう2本の延長ケーブルを試しましたが、どちらも不安定で、PCがフリーズしたり、外付けデバイスがマウントとアンマウントを繰り返すなど、常用には到底耐えられない状況でした。2台のPCで同じ挙動が出たことから、単なる相性問題ではなく、ケーブルの構造や設計が原因だと考えています。そんな中で、Cable Matters製のUSB4延長ケーブル（20Gbps対応・1m）にたどり着きました。接続直後から動作は安定し、USB 3.2 Gen2（10Gbps）での通信も問題なく行えています。具体的には、USB-C 10Gbps対応ポートにNVMe M.2 SSD用の外付けケース（1TB）を接続し、実際にベンチマークを実施。結果は速度・安定性ともに十分で、ようやく安心して使える延長ケーブルに出会えたと感じています。さらに、Amazonベーシック製のUSB 3.2/3.1 Gen 2対応ハブ（10Gbps）を介して使用しても問題なく安定動作しました。このことからも、ケーブルの性能が通信の安定性に大きく影響することを実感しています。製品ページにはeMarkerチップの搭載について明記がありませんが、USB4規格ではeMarker搭載が必須のため、実質的に内蔵されていると考えられます。これが安定動作のポイントではないかと思います。なお、240WのPD対応については今回の検証外のため、触れていません。また、今回使用した環境でのベンチマーク画像も添付していますので、参考にしていただければ幸いです。USB 5Gbpsまでの通信は比較的気軽に使えていたため、10Gbpsでの安定通信は想像以上にハードルが高く、正直少し疲れました。それだけに、安定して高速通信ができるケーブルに出会えたときの安心感は大きいです。高速通信を求める方は、USB4対応で信頼できるメーカー製品を選ぶのが賢明だと強く感じました。同じような悩みを持つ方の参考になれば幸いです。

### ⭐⭐⭐⭐⭐ 安定している
*by ぎ***う on August 5, 2025*

安定して使えている

### ⭐⭐⭐⭐⭐ Thunderbolt 3ドックで使用。ドックの設置場所の自由度が上がりました。
*by R***O on September 8, 2025*

ノートPCからThunderbolt 3ドックへの接続に使用しています。とにかくケーブル長が短く取り回しがしづらいため購入しました。信号が不安定になり使えないなどのトラブルはありません。設置場所の自由度が上がりました。

## Frequently Bought Together

- Cable Matters 40Gbps USB 4 Extension Cable - 1.6ft, Supports [8K@60Hz / 4K@240Hz Video, 240W Charging, 40Gbps Data Transfer] USB C Extension Cable, USBC Extender, USB4 / Thunderbolt 4 Compatible
- Cable Matters Combo-Pack 40Gbps Right Angle USB-C Adapter Kit, Up to [4K@240Hz Video, 240W Charging, 40Gbps Data Transfer] 90 Degree USB C Adapter, Compatible with Thunderbolt 4, iPhone 16, Steam Deck
- Cable Matters 20Gbps USB 4 Extension Cable - 3.3ft / 1m, True Reversible Design, Supports [8K Video, 240W Charging, 20Gbps Data Transfer] USB C Extender/Type C Extension Cord Male to Female

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-04-27*