Upgrading into the M2 Pro chip also upgrades the quantity of ports you have. The M2 Pro Edition of the Mac mini has two extra USB-C Thunderbolt four ports in comparison to the conventional Edition, for a total of 4, 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