So, I understand the reason for Core when the host is just running the Hyper-V role. I understand the reduced attack surface, less patching (which may lead to less reboots), and lower RAM utilization.

I would like to install OPNsense under Hyper V on my home Windows Server 2016 to evaluate it before buying separate hardware for OPNsense, aka try before I buy. I can dedicate both ports on a two port ...