Thunderbolt 4 PCIe x16 Expansion Docking Station (Compatible with LattePanda Sigma)

The Thunderbolt 4 PCIe x16 Expansion Docking Station allows you to connect external desktop graphics cards and high-speed expansion cards to your LattePanda Sigma, laptop, or desktop. Powered by an Intel JHL6340 controller, it supports bandwidth speeds up to 21.5Gbps across Thunderbolt 3, Thunderbolt 4, and USB4 ports. It is an ideal plug-and-play solution for makers, developers, and students wanting to boost computing and graphical performance.

High-speed Intel JHL6340 controller

Equipped with the sixth-generation Intel Thunderbolt JHL6340 chip, the dock ensures minimal signal loss and anti-interference performance. It delivers transfer rates up to 21.5Gbps (2700MB/s) and provides seamless compatibility across USB4, Thunderbolt 3, and Thunderbolt 4 host ports.

PCIe x16 hardware support

The onboard PCIe x16 slot operates at PCIe 3.0 x4 bandwidth to support both NVIDIA and AMD independent graphics cards, as well as various standard PCIe add-in cards. It requires no driver installation and works out of the box with Windows 10, Windows 11, Linux, and macOS.

Versatile power supply inputs

The board features multiple power input options to suit different power supplies, including PD3.0 12V (up to 60W) and DC5.5x2.1mm 12V (up to 120W). It also includes standard chassis power interfaces via CPU 4+4Pin and large 4Pin connectors.

Compact enclosure and accessories

Measuring 100 x 62 x 17mm and weighing just 90g, the unit includes dual-sided acrylic plates to shield the circuit board. An ATX 24-pin short connector is included in the box for straightforward power supply triggering.

Downloads & documentation

• Product wiki (DFRobot)