Antmicro Thunderbolt to 10GbE adapter

Copyright (c) 2026 Antmicro

Overview

This project includes PCB design files for an adapter card that integrates two 10GBASE-T (RJ45) PHYs, providing high-speed network connectivity. The host interface utilizes a PCI Express Gen3 x4 link, delivered via an Thunderbolt USB-C connector. The PCB design files were prepared in KiCad 9.x.

Key features

• Two RJ45 10G Ethernet ports
• Thunderbolt 3 USB-C connector
• Intel X710-AT2 Ethernet controller
• USB-C and DC Power connectors
• Intel JHL6340SLLSQ Thunderbolt 3 controller
• 70 x 110 mm PCB dimensions

Project structure

The main directory contains KiCad PCB project files, the LICENSE, and this README, and the img directory contains graphics for this README.

Licensing

This project is published under the Apache-2.0 license.