Small form factor builders who prefer to use AMD processors now have the option of Noctua's ultra-compact NH-L9a-AM4 Chromax.black for their colour themed builds. The Chromax version is better suited for windowed cases where the standard L9a would look out of place.
https://www.notebookcheck.net/AMD-small-form-factor-builds-now-have-another-stealth-CPU-cooler-option.451280.0.html