---
product_id: 353509549
title: "ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort In, TBT Header, USB 2.0 Header"
brand: "asus"
price: "€ 167.34"
currency: EUR
in_stock: true
reviews_count: 5
category: "Asus"
url: https://www.desertcart.ie/products/353509549-thunderboltex-4-card-pci-express-2-x-thunderbolt-4-usb
store_origin: IE
region: Ireland
---

# 40 Gbps ultra-fast bandwidth Daisy chain up to 5 devices 8K Ultra HD DisplayPort 1.4 support ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort In, TBT Header, USB 2.0 Header

**Brand:** asus
**Price:** € 167.34
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock next-level speed and connectivity — because your setup deserves the best.

## Quick Answers

- **What is this?** ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort In, TBT Header, USB 2.0 Header by asus
- **How much does it cost?** € 167.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/353509549-thunderboltex-4-card-pci-express-2-x-thunderbolt-4-usb)

## Best For

- asus enthusiasts

## Why This Product

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

## Key Features

- • **8K Ultra HD Ready:** Harness DisplayPort 1.4 for stunning, crystal-clear visuals on the latest high-res monitors.
- • **Blazing 40 Gbps Speed:** Experience lightning-fast data transfers and seamless video output that keep you ahead of the curve.
- • **Seamless ASUS Integration:** Designed exclusively for ASUS motherboards with TBT header for effortless installation and rock-solid performance.
- • **Power Up with USB-C Charging:** Deliver up to 100W charging to your laptop, reducing cable clutter and boosting efficiency.
- • **Expand Your Setup Limitlessly:** Connect up to five Thunderbolt devices in a daisy chain for ultimate productivity and flexibility.

## Overview

The ASUS ThunderboltEX 4 is an Intel-certified Thunderbolt 4 PCIe add-on card delivering 40 Gbps bi-directional bandwidth, dual Thunderbolt 4 USB-C ports supporting up to five daisy-chained devices, and DisplayPort 1.4 for 8K Ultra HD output. It also provides up to 100W USB-C charging and requires an ASUS motherboard with a Thunderbolt header for compatibility.

## Description

ASUS ThunderboltEX 4 is a Thunderbolt™ 4 add-on card that offers 40 Gbps bi-directional bandwidth, USB4™ device compatibility, and DisplayPort™ 1.4. It supports up to five Thunderbolt devices in a daisy chain and enables up to 100-watt USB-C® charging for laptops.

Review: Impeccable, bien faire attention à configurer son BIOS correctement
Review: Die Karte funktioniert einwandfrei, ist hochwertig verarbeitet und leicht einzubauen. Der Treibersupport ist gut. Alles, was man an Kabeln braucht, wird mitgeliefert. Damit die Karte funktioniert, wird ein Asusmainboard mit TBT-Header benötigt. An anderen Mainboards funktioniert die Karte nicht.

## Features

- Intel-certified Thunderbolt 4 add-on card
- 40 Gbps bi-directional bandwidth for superfast data transfers and video output
- Dual Thunderbolt 4 ports (USB-C), with support for up to five Thunderbolt devices in a daisy chain
- DisplayPort 1.4 for 8K Ultra HD support

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CVCWL2Q |
| Are Batteries Included | No |
| Batteries | 1 Lithium Ion batteries required. |
| Best Sellers Rank | #3,701 in Computers ( See Top 100 in Computers ) #295 in USB Cables |
| Brand | ASUS |
| Color | Black |
| Computer Memory Type | DIMM |
| Customer Reviews | 3.9 3.9 out of 5 stars (142) |
| Date First Available | 12 May 2021 |
| Item Weight | 100 g |
| Item model number | 90MC09P0-M0EAY0 |
| Lithium Battery Energy Content | 2 Kilowatt Hours |
| Lithium Battery Packaging | Batteries packed with equipment |
| Lithium Battery Weight | 2 Grams |
| Manufacturer | Asus |
| Number Of Lithium Ion Cells | 5 |
| Number of Lithium Metal Cells | 5 |
| Operating System | Android 10.0 |
| Series | THUNDERBOLTEX 4 |
| Wattage | 3600 |

## Product Details

- **Brand:** ASUS
- **Compatible devices:** Laptop
- **Hardware interface:** Thunderbolt 3
- **Item weight:** 100 Grams
- **Style:** Modern

## Images

![ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort In, TBT Header, USB 2.0 Header - Image 1](https://m.media-amazon.com/images/I/515JNxGdZeL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 6 October 2025*

Impeccable, bien faire attention à configurer son BIOS correctement

### ⭐⭐⭐⭐⭐ Review
*by A***9 on 18 December 2024*

Die Karte funktioniert einwandfrei, ist hochwertig verarbeitet und leicht einzubauen. Der Treibersupport ist gut. Alles, was man an Kabeln braucht, wird mitgeliefert. Damit die Karte funktioniert, wird ein Asusmainboard mit TBT-Header benötigt. An anderen Mainboards funktioniert die Karte nicht.

### ⭐⭐⭐⭐⭐ Review
*by S***Y on 24 May 2025*

Works perfectly fine with Asus ROG B650.

## Frequently Bought Together

- ASUS ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort in, TBT Header, USB 2.0 Header
- Cable Matters [Intel Certified] 40Gbps Active Thunderbolt 4 Cable 6.6 ft with 100W Charging and 8K Video - Fully Compatible with USB C/USB-C, USB 4 / USB4, and Thunderbolt 3

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**Shop now:** [https://www.desertcart.ie/products/353509549-thunderboltex-4-card-pci-express-2-x-thunderbolt-4-usb](https://www.desertcart.ie/products/353509549-thunderboltex-4-card-pci-express-2-x-thunderbolt-4-usb)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-17*