I run my stuff on pfsense on top of this: https://www.amazon.com/Qotom-Q355G4-Firewall-Ethernet-Barebone-Computer/dp/B06XJV9R8X/ref=sr_1_4?ie=UTF8&qid=1527708095&sr=8-4&keywords=qotom

Multiple subnets and load balancing with multiple WAN/VPNs and is working flawlessly. I came from custom Merlin sw on my ex Asus router, and I would never go back, just for snort, pfblocker, traffic shaper, etc