If I make exactly the same assumption with regard to the R6400 I changed as a consequence of security vulnerabilities, issues with 3rd bash firmware, and considerations over updates, That may be a energy draw of https://macktechbiz.com/blogs/news/unleashing-the-power-of-micro-appliance-pc-firewalls-a-revolution-in-open-source-firewall-solutions-with-zenarmor-and-opnsense-support