Interface card ASUS ThunderboltEX 5 — PCIe 4.0, Intel JHL9580, Mini DisplayPort, USB 2.0, 120 Gbit/s

ASUS ThunderboltEX 5 is an internal expansion card that brings Thunderbolt 5 connectivity to compatible Windows 11 x64 PCs. The card uses the Intel JHL9580 controller and connects to a PCIe 4.0 host to provide high-bandwidth external interfaces including Mini DisplayPort, PCIe lanes and USB 2.0 support. With an aggregate throughput of up to 120 Gbit/s, this add-on card is intended to expand a desktop system's ability to connect high-speed displays, storage devices and peripherals through Thunderbolt and USB-C compatible devices.

Advantages

The ThunderboltEX 5 card delivers a high-throughput interface that supports simultaneous video and data transmission over the same connection, enabling fast file transfers and external display output. It installs into a PCIe 4.0 slot and integrates with system hardware via an internal connection, preserving external port density while adding modern connectivity. The card’s multi-interface outputs allow flexible connections to Mini DisplayPort devices, PCIe-based peripherals and legacy USB 2.0 endpoints.

Suitable for

• Adding high-speed external connectivity to a desktop PC
• Connecting external displays via Mini DisplayPort and Thunderbolt-compatible adapters
• Attaching external NVMe or PCIe peripherals through Thunderbolt-enabled docks/enclosures
• Integrating legacy USB 2.0 devices alongside high-bandwidth peripherals

Key specifications

• Controller: Intel JHL9580
• Host interface: PCIe 4.0 (PCIe connection required)
• Aggregate throughput: up to 120 Gbit/s
• Output interfaces: Mini DisplayPort, PCIe lanes, USB 2.0
• Form factor: internal PCIe expansion card
• Operating system: designed for Windows 11 x64
• Colour: Multicolour (product trim/accents)

How to use

Install the ASUS ThunderboltEX 5 into an available PCIe 4.0 x4 (or higher) slot on a compatible motherboard and connect any required internal power or header cables as specified by the motherboard and card documentation. After hardware installation, install the appropriate Intel/ASUS drivers on a Windows 11 x64 system to enable Thunderbolt functionality. Use certified Thunderbolt or USB4 cables to connect external devices and displays; follow device manufacturer guidance when connecting docks, eGPUs or storage enclosures. Configure display and device settings in Windows as needed.

Recommendations

Use certified Thunderbolt or USB4 cables and verify motherboard compatibility before installation. For best performance, connect to a native PCIe 4.0 slot and keep drivers and firmware updated. When chaining multiple Thunderbolt devices, follow power and bandwidth guidelines provided by device manufacturers to ensure stable operation.