Specifically this: https://frame.work/de/en/products/16-display-kit?v=FRAKKM0001
Which Linux distro are you using? NixOS
Which release version? unstable; last updated a few days ago
Which kernel are you using? 6.19
Which BIOS version are you using? 0.0.4.3
Which Framework Laptop 16 model are you using? AMD Ryzen™ 7040 Series