I would look at getting a Xeon-D board. They don't draw much, come in mini ITX, and mine have 2x10GbE plus 2x1GbE built in, for a price that's reasonable when y

I would look at getting a Xeon-D board. They don't draw much, come in mini ITX, and mine have 2x10GbE plus 2x1GbE built in, for a price that's reasonable when you look at standalone NIC costs. The CPU is soldered on, so the cost includes that, too.