---
product_id: 311275102
title: "ThunderboltEX 4 with Intel® Thunderbolt™ 4 JHL 8540 Controller, 2 USB Type-C Ports, up to 40Gb/s bi-Directional Bandwidth, DisplayPort 1.4 Support, up to 100W Quick Charge, Black"
brand: "asus"
price: "75.42 OMR"
currency: OMR
in_stock: true
reviews_count: 9
category: "Asus"
url: https://www.desertcart.com.om/products/311275102-thunderboltex-4-with-intel-thunderbolt-4-jhl-8540-controller-2
store_origin: OM
region: Oman
---

# 40Gb/s ultra-fast bandwidth Dual USB Type-C Thunderbolt 4 ports 8K DisplayPort 1.4 support ThunderboltEX 4 with Intel® Thunderbolt™ 4 JHL 8540 Controller, 2 USB Type-C Ports, up to 40Gb/s bi-Directional Bandwidth, DisplayPort 1.4 Support, up to 100W Quick Charge, Black

**Brand:** asus
**Price:** 75.42 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock the future of ultra-fast connectivity and 8K visuals—because your setup deserves the best.

## Quick Answers

- **What is this?** ThunderboltEX 4 with Intel® Thunderbolt™ 4 JHL 8540 Controller, 2 USB Type-C Ports, up to 40Gb/s bi-Directional Bandwidth, DisplayPort 1.4 Support, up to 100W Quick Charge, Black by asus
- **How much does it cost?** 75.42 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/311275102-thunderboltex-4-with-intel-thunderbolt-4-jhl-8540-controller-2)

## 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

- • **Dual USB Type-C Ports:** Connect and power multiple Thunderbolt and USB4 devices simultaneously with versatile Type-C connectivity.
- • **8K Ultra HD Display Ready:** Support stunning 8K resolution monitors via DisplayPort 1.4 for next-level visual clarity and productivity.
- • **Power Up with 100W Quick Charge:** Keep your devices charged at lightning speed while you work or create without interruption.
- • **Blazing Fast Thunderbolt 4 Speeds:** Experience up to 40Gb/s bi-directional bandwidth for seamless data transfer and multi-device daisy-chaining.
- • **Plug & Play with Pro-Level Compatibility:** Optimized for Windows 10/11 and high-end motherboards—just connect USB 2.0 and Thunderbolt headers for flawless performance.

## Overview

The ASUS ThunderboltEX 4 is a dedicated expansion card featuring Intel's Thunderbolt 4 JHL 8540 controller, offering dual USB Type-C ports with up to 40Gb/s bi-directional bandwidth. It supports DisplayPort 1.4 for 8K monitors and delivers up to 100W quick charging. Designed for professional-grade Windows systems, it enables daisy-chaining of multiple Thunderbolt devices and requires proper motherboard header connections for full functionality.

## Description

ASUS ThunderboltEX 4 card features two Thunderbolt™ 4 ports that support Thunderbolt™ 4 and USB 4 technology, and two mini DisplayPort IN ports (support DisplayPort 1.4 specifications) that allow you to redirect VGA input signals through the ThunderboltEX 4 card for video output.

Review: A piece of Junk or it is not compatible with my Asus X670E-E Motherboard supposed to work with it - Works great if you hook it up correctly! Using an ZikeDrive Model Z666 USB4 M.2 Nmve case (they claim the fastest M.2 Drive Case): and an Fanxiang S880 4TB M.2 Nmve I get the fastest speeds of 3050.32 MB/s read, 2689.04 using Crystal Disk Mark 8 speed test. Running the Orico TCM-U4 Thunderbolt4 USB4 case with an Fanxiang S880 4TB M.2 I get the speeds: 3049.98 MB/s read, 2689.04 MB/s write. The Orico TCM-U4 is cheaper, but has a cooling problem with its top installed - but works great with thermal strip and copper heat sink and no top installed - it is reliable. But the ZikeDrive Model Z666 USB4 M.2 is slightly faster, has excellent cooling so far - better heat sink metal case with plastic over it - but the ZikeDrive is not as reliable when running thru my Plugable TB4 USB4 Hub (cant boot computer with it hooked in w/o error - sometimes errors if it is plugged in after computer booted? Seems to be working ok now.) The above ZikeDrive Model Z66 with Fanxian S880 4TB when plugged into Plugable TB4 USB4 Hub to Asus ThunderboltEx4 will get 2977.65 MB/s read, 1893.94 MB/s write for anyone who is interested. This same Fanxian S880 4TB when plugged into my Asus Hyper M.2 X16 Gen 4 Card or my Asus X670E-E motherboard M.2 PCIe 5.0 slot runs at 7271.24 MB/s read, 6187.19 MB/s write. So you can see the bottle neck is not in the M.2 I am using. It is cable of this speed, but Thunderbol 3 or 4 or USB4 is not cable of that speed. (I can't wait for Thunderbolt 5! I hope it works with my motherboard!) I am running Windows 10 & Windows 11 dual boot. Tests were done in Windows 10 on a Asus X670E-E Motherboard with AMD Ryzen 7950X3D CPU and using the GPU: MSI Gaming GeForce RTX 3060 Ti 8GB OC Edition "BGB GDDRR6X". And 96 GB DDR5 RAM (GSkill) 5400Mhz. So this is a top notch AMD computer build and is quite fast. I boot from an XPG 4TB GAMMIX S70 Blade PCIe Gen4 M.2 2280 Internal Gaming SSD Up to 7,400 MB/s in the PCIe 4.0 internal M.2 slot on the Asus Motherboard. (It has 3 PCIe 5.0 M.2 slots too reserved for future Raid-0 for video recording/editing and audio, etc.) To get this to work properly you MUST plug it into the proper PCIe X4 slot, plug the included cable from the USB 2.0 port on it into the USB 2.0 header on your motherboard, and plug the included cable from Thunderbolt Header on it into the Thunderbolt Header on your motherboard. If you don't hook it up to the USB 2.0, USB Devices can work on it, but no Thunderbolt. I have an Orico TCM-U4 Thunderbolt4 USB4 case with an Fanxiang S880 4TB M.2 in it, it was running at 1063.91 MB/s read, 1057 MB/s write, when the ThunderboltEx4 was not hooked up from its USB 2.0 to the USB 2.0 header on the motherboard. But when the ThunboltEx4 was hooked up correctly (USB 2.0 on it to USB 2.0 header on motherboard) then it was running at 3049.98 MB/s read, 2689.04 MB/s write, using the Fanxiang S880 4TB M.2.
Review: Need Thunderbolt 4 connectivity on Windows computer this is the card - Recommend using this if you have a Apple Mac or iPad Pro with TB4 connectivity. Intel has a 'share' Thunderbolt package but I don't have an Applie Mac or iPad to test sharing. It took me a while to figure out how to update the microcode of the card, but it's updated now and working excellently. The z590 motherboard has very limited PCIe connections as the card required x8 and there is only one slot with full-x8 pins. This is recommended to have 11th Generation CPU to get PCIe 4 capability. The card isn't prohibitively expensive, but it's an add-on to a limited motherboard.

## Features

- 1. Intel Thunderbolt 4 JHL 8540 controller
- 2. Ultrafast connectivity: Two Type-C ports with USB 4 support, up to 40Gb/s bi-directional bandwidth, per port allows you to connect up to five Thunderbolt-enabled devices in a daisy-chain configuration using Thunderbolt cables.
- DisplayPort 1.4: support up to 8K resolution monitors
- Quick charge solution: up to 100W quick charge

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZS3D6JY |
| Best Sellers Rank | #65 in Computer Graphics Cards #282 in USB Hubs |
| Brand | ASUS |
| Card Description | Dedicated |
| Chipset Brand | Intel |
| Color | Black |
| Customer Reviews | 4.1 4.1 out of 5 stars (433) |
| Date First Available | March 24, 2021 |
| Graphics Card Ram Size | 4 GB |
| Graphics Coprocessor | Intel GPU |
| Item Dimensions LxWxH | 9.1 x 7.3 x 2.4 inches |
| Item Weight | 1.21 pounds |
| Item model number | THUNDERBOLTEX 4 |
| Manufacturer | ASUS |
| Max Screen Resolution | 7680x4320 |
| Memory Speed | 2666 MHz |
| Number of USB 2.0 Ports | 2 |
| Operating System | Windows 10 - 64 bit |
| Product Dimensions | 9.1 x 7.3 x 2.4 inches |
| Series | ThunderboltEX 4 |

## Product Details

- **Brand:** ASUS
- **Graphics Coprocessor:** Intel GPU
- **Graphics Processor Manufacturer:** Intel
- **Graphics Ram Size:** 4 GB
- **Video Output Interface:** DisplayPort, Mini DisplayPort, VGA

## Images

![ThunderboltEX 4 with Intel® Thunderbolt™ 4 JHL 8540 Controller, 2 USB Type-C Ports, up to 40Gb/s bi-Directional Bandwidth, DisplayPort 1.4 Support, up to 100W Quick Charge, Black - Image 1](https://m.media-amazon.com/images/I/71P+MmVXLpL.jpg)

## Questions & Answers

**Q: Does the card support peripherals such as mouse and keyboard? i’m considering connecting it to a thunderbolt kvm switch.**
A: This card requires a 13 pin (14-1) Thunderbolt connector, a PCIe 3.0 4 lane expansion slot slot, and the patience of Job to install.  

BTW, the only Intel processors with native PCIe 4.0 support are generation 11 and up.

**Q: How many pcie lanes does this require?**
A: It use PCI-E 3.0 4 Lane. Mainboard must support Thunderbolt header.
I think Z590 chipset mainboard need Thunderboltex4 card.

**Q: will this work on my "z370 gaming pro carbon (ms-7b45)"? i already ordered but im making sure**
A: Yes. Just make sure to download and update all your drivers

**Q: Is this card compatible with alienware aurora r11  dell computer?**
A: It will pobably have limited functionality if your mother board like mine does not have a an asus proprietary tb4 header, I’ve only used my tb4 the two type c for video output to my g9

## Customer Reviews

### ⭐⭐⭐⭐⭐ A piece of Junk or it is not compatible with my Asus X670E-E Motherboard supposed to work with it
*by J***N on November 5, 2023*

Works great if you hook it up correctly! Using an ZikeDrive Model Z666 USB4 M.2 Nmve case (they claim the fastest M.2 Drive Case): and an Fanxiang S880 4TB M.2 Nmve I get the fastest speeds of 3050.32 MB/s read, 2689.04 using Crystal Disk Mark 8 speed test. Running the Orico TCM-U4 Thunderbolt4 USB4 case with an Fanxiang S880 4TB M.2 I get the speeds: 3049.98 MB/s read, 2689.04 MB/s write. The Orico TCM-U4 is cheaper, but has a cooling problem with its top installed - but works great with thermal strip and copper heat sink and no top installed - it is reliable. But the ZikeDrive Model Z666 USB4 M.2 is slightly faster, has excellent cooling so far - better heat sink metal case with plastic over it - but the ZikeDrive is not as reliable when running thru my Plugable TB4 USB4 Hub (cant boot computer with it hooked in w/o error - sometimes errors if it is plugged in after computer booted? Seems to be working ok now.) The above ZikeDrive Model Z66 with Fanxian S880 4TB when plugged into Plugable TB4 USB4 Hub to Asus ThunderboltEx4 will get 2977.65 MB/s read, 1893.94 MB/s write for anyone who is interested. This same Fanxian S880 4TB when plugged into my Asus Hyper M.2 X16 Gen 4 Card or my Asus X670E-E motherboard M.2 PCIe 5.0 slot runs at 7271.24 MB/s read, 6187.19 MB/s write. So you can see the bottle neck is not in the M.2 I am using. It is cable of this speed, but Thunderbol 3 or 4 or USB4 is not cable of that speed. (I can't wait for Thunderbolt 5! I hope it works with my motherboard!) I am running Windows 10 & Windows 11 dual boot. Tests were done in Windows 10 on a Asus X670E-E Motherboard with AMD Ryzen 7950X3D CPU and using the GPU: MSI Gaming GeForce RTX 3060 Ti 8GB OC Edition "BGB GDDRR6X". And 96 GB DDR5 RAM (GSkill) 5400Mhz. So this is a top notch AMD computer build and is quite fast. I boot from an XPG 4TB GAMMIX S70 Blade PCIe Gen4 M.2 2280 Internal Gaming SSD Up to 7,400 MB/s in the PCIe 4.0 internal M.2 slot on the Asus Motherboard. (It has 3 PCIe 5.0 M.2 slots too reserved for future Raid-0 for video recording/editing and audio, etc.) To get this to work properly you MUST plug it into the proper PCIe X4 slot, plug the included cable from the USB 2.0 port on it into the USB 2.0 header on your motherboard, and plug the included cable from Thunderbolt Header on it into the Thunderbolt Header on your motherboard. If you don't hook it up to the USB 2.0, USB Devices can work on it, but no Thunderbolt. I have an Orico TCM-U4 Thunderbolt4 USB4 case with an Fanxiang S880 4TB M.2 in it, it was running at 1063.91 MB/s read, 1057 MB/s write, when the ThunderboltEx4 was not hooked up from its USB 2.0 to the USB 2.0 header on the motherboard. But when the ThunboltEx4 was hooked up correctly (USB 2.0 on it to USB 2.0 header on motherboard) then it was running at 3049.98 MB/s read, 2689.04 MB/s write, using the Fanxiang S880 4TB M.2.

### ⭐⭐⭐⭐⭐ Need Thunderbolt 4 connectivity on Windows computer this is the card
*by D***N on January 27, 2026*

Recommend using this if you have a Apple Mac or iPad Pro with TB4 connectivity. Intel has a 'share' Thunderbolt package but I don't have an Applie Mac or iPad to test sharing. It took me a while to figure out how to update the microcode of the card, but it's updated now and working excellently. The z590 motherboard has very limited PCIe connections as the card required x8 and there is only one slot with full-x8 pins. This is recommended to have 11th Generation CPU to get PCIe 4 capability. The card isn't prohibitively expensive, but it's an add-on to a limited motherboard.

### ⭐⭐⭐⭐ Works great, if you follow (non-existent) directions
*by J***S on August 8, 2025*

Pros: Has given my AMD B550 Motherboard fast and reliable Thunderbolt connectivity. Have zero complaints about it once I got it working. It actually has been more reliable with my Thunderbolt 4 hub than a another PC with onboard support for Thunderbolt 4. I'm using dual DisplayPort pass-through to monitors running at 4K, with no issues. I have a bunch of USB devices connected through the hub including a 4K webcam, which also work with no issues. Everything connects and is functional from either cold boots or sleep and I've not had any issues with devices randomly disconnecting. Contrary to other reviews, once this is set up correctly, I get the BIOS splash screen on monitors connected via a Thunderbolt hub and I'm able to use a keyboard/mouse connected through the hub before the OS boots. Cons: The documentation provided with the card is woefully incomplete, so I'm here to get you up to speed. Installation: The card requires an available PCI 4x slot, a dedicated Thunderbolt header on your motherboard, an available USB 2.0 header on your motherboard, and a six-pin PCIe connector from your power supply. Installing the card is as easy as connecting all of those things. Simply installing the card isn't enough, and this is where the documentation really fails. After installation, you will need to enter the PC's BIOS and enable Thunderbolt support. It is not enabled by default! This varies by motherboard, so it will involve searching all of the "advanced" settings. After you find the right settings, enable them, save settings, reboot. At that Windows should recognize the card and you can install the driver. One reboot later and Thunderbolt should be fully functional. Which Thunderbolt port to use: The Thunderbolt ports on the card were clearly designed with daisy-chaining in mind and it impacts their functionality. Port 1 (the closest to the edge of the card) seems to be intended as the "Thunderbolt In" port. I wasn't able to get my hub to work with this port. Port 2 seems to be the "Thunderbolt Out" port. My hub works without issue when connected to the second port. Port 1 is powered, so it seems like you'd want to connect it to peripherals anyway, but again it's not explained in the documentation. Other thoughts: My only other (minor) compliant is that the DisplayPort-in ports are DP1.4 and only support a single monitor per connection. There's two DP-ins, so it's not a big deal as long as you have two available DP connectors on your GPU.

## Frequently Bought Together

- ASUS ThunderboltEX 4 with Intel® Thunderbolt™ 4 JHL 8540 Controller, 2 USB Type-C Ports, up to 40Gb/s bi-Directional Bandwidth, DisplayPort 1.4 Support, up to 100W Quick Charge, Black
- Cable Matters [Intel Certified] 40Gbps Thunderbolt 4 Cable 3.3ft with 8K Video and 240W Charging - 1m, Compatible with USB4, Thunderbolt 3 Cable and USB-C

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-23*