ASUS ThunderboltEX 5 Dual-Port Thunderbolt 5 PCIe 4.0 Expansion Card

Overview

The ASUS THUNDERBOLTEX 5 is a PCIe 4.0 expansion card designed to add two Thunderbolt 5 ports to a desktop computer, enabling ultrafast data transfer, high-resolution display support, and efficient single-cable docking. With up to 120 Gb/s bandwidth per port, it handles demanding tasks like editing 8K video from external SSDs or streaming large design files with responsiveness comparable to internal drives. The card also delivers up to 130 W total power, including 96 W per port, allowing connected devices to charge while transferring data.

Key features

• Two Thunderbolt 5 USB-C ports provide extremely fast data transfer speeds for demanding workflows.
• Power delivery of up to 96 W per port supports charging laptops, tablets, or phones while connected.
• Three Mini DisplayPort inputs route graphics signals to the Thunderbolt ports, enabling multi-monitor setups.
• Supports up to three 8K 60 Hz displays using DisplayPort 2.1 with Display Stream Compression for sharp, smooth visuals.
• Daisy chaining allows up to five Thunderbolt devices per port, simplifying complex peripheral arrangements.
• Intel JHL9580 controller ensures stable, high-performance data management over PCIe 4.0 x4 interface.
• Easy installation with USB 2.0 and Thunderbolt headers plus a standard 6-pin PCIe power connector.

Key specs

• Interface: PCIe 4.0 x4
• Thunderbolt ports: 2 USB-C Thunderbolt 5
• Maximum bandwidth: 120 Gb/s per port
• Power delivery: 130 W total, up to 96 W per port
• Display inputs: 3 Mini DisplayPort
• Display support: up to three 8K 60 Hz monitors via DisplayPort 2.1 with DSC
• Controller: Intel JHL9580
• Power connector: 6-pin PCIe

Connectivity and compatibility

This expansion card integrates seamlessly with modern desktop systems that have an available PCIe 4.0 x4 slot and the necessary USB 2.0 and Thunderbolt headers. The dual Thunderbolt 5 ports support a wide range of peripherals including external storage, high-resolution displays, docks, audio interfaces, and external GPUs. The ability to daisy chain up to five devices per port offers flexibility for complex setups without cluttering your workspace with multiple cables.

Installation and setup

Installing the ASUS THUNDERBOLTEX 5 is straightforward and quick. After inserting the card into an available PCIe 4.0 x4 slot, connect the included USB 2.0 and Thunderbolt headers along with a standard 6-pin PCIe power cable. Once the Windows 11 64-bit driver is installed, the system is ready to support next-generation Thunderbolt peripherals and displays, making it a practical upgrade for users seeking enhanced connectivity without rebuilding their entire system.

Ideal uses and environments

This expansion card is well suited for content creators, engineers, and technology enthusiasts who require high-speed data transfer and multi-display support. It fits well in professional studios, design workstations, and trading desks where handling large files and multiple 8K monitors is common. The power delivery feature also benefits users who want to reduce cable clutter by charging their laptops or mobile devices directly through the Thunderbolt ports.