My only complaint is the O/S doesn't see the NICs in the numbered order.
Consider yourself lucky to be able to even discuss the Qotom devices. The pf forum has banned all mention of them.
pfSense police IMHO It is only a matter of time before they lock down the solution to their own hardware and kill the community edition
I run a 500/250 FTTP service on the i7 and even when I’m giving the link some real heavy work the cpu has never gone over 5%