Stealth has unveiled its latest robust machine, which is also waterproof. The WPC-905 mini-PC runs silently too and comes in four processor configurations. The Stealth WPC-905 starts at US$3,195, which is extraordinarily expensive by mini-PC standards.
https://www.notebookcheck.net/Stealth-WPC-905-A-robust-mini-PC-that-is-waterproof-and-runs-silently.517841.0.html