ASUS ThunderboltEX 4 PCIe Interface Card – Thunderbolt, Mini DisplayPort, USB 3.2 Gen 2

ASUS ThunderboltEX 4 | Internal Thunderbolt 4 Expansion Card

The ASUS ThunderboltEX 4 interface cards/adapter Internal Mini DisplayPort, PCIe, Thunderbolt, USB 2.0, USB 3.2 Gen 2 (3.1 Gen 2) adds high-speed connectivity to compatible desktop PCs. This internal card uses a PCIe interface to deliver 40 Gbps bi-directional bandwidth. It is designed for users who need fast data transfer, high-resolution displays, and device charging through a single cable. The card supports USB4 and DisplayPort 1.4, making it a versatile upgrade for creative and professional workflows.

ASUS ThunderboltEX 4 interface cards/adapter Internal Mini DisplayPort, PCIe, Thunderbolt, USB 2.0, USB 3.2 Gen 2 (3.1 Gen 2)

This section confirms the exact product model and its core interfaces. The card installs internally via PCIe and provides two USB 3.2 Gen 2 Type-C ports. It supports daisy-chaining of up to five Thunderbolt devices. The Intel JHL8540 chipset ensures reliable performance and broad compatibility.

High-Speed 40 Gbps Connectivity

The card offers 40 Gbps bi-directional bandwidth. This enables rapid file transfers between Thunderbolt storage and your PC. It also supports high-resolution displays without compression. In practice, this reduces bottlenecks in video editing and large data tasks.

Daisy-Chain Support for Multiple Devices

You can connect up to five Thunderbolt devices in a daisy chain. This simplifies cable management and expands your workspace. For example, link a dock, storage, and display through a single port. However, each device must support Thunderbolt daisy-chaining.

USB4 and DisplayPort 1.4 Compatibility

The card supports USB4 devices and DisplayPort 1.4 output. This ensures forward compatibility with newer peripherals. It also allows 8K display resolution at 60 Hz. So, you can drive high-end monitors without a separate graphics connection.

100-Watt USB-C Charging for Laptops

The card enables up to 100-watt USB-C charging. This means you can charge a laptop through the Thunderbolt connection. It reduces the need for separate power adapters. However, charging depends on your laptop’s USB-C Power Delivery support.

Plug-and-Play Installation on ASUS Intel 500 Platforms

The card is designed for ASUS Intel 500 series motherboards. It supports Plug and Play on Windows 10 x64. Drivers are included for easy setup. Please confirm your motherboard has a free PCIe slot and BIOS support for Thunderbolt.

What is in the box

• ASUS ThunderboltEX 4 card
• Mini DisplayPort cable
• Thunderbolt cable
• USB cable
• Manual
• Drivers

Check before you buy

• Confirm your PC case has a free PCIe 3.0 slot and space for the card (117.7 mm x 180.5 mm).
• Verify your motherboard is ASUS Intel 500 series or has Thunderbolt header support.
• Check that your power supply can provide the required PCIe slot power.
• Ensure your operating system is Windows 10 x64 or newer.

Questions and answers

The short version

This card is ideal for professionals who need high-speed data, 8K display support, and laptop charging through Thunderbolt 4. It suits users with ASUS Intel 500 motherboards who want to expand connectivity without a new system. Covered by the applicable manufacturer warranty.