I use one for pihole (with DoH) and wireguard. For pi-hole, i filter around 10 devices, but i do only one wireguard connection at time. CPU usage is really low.

I use one for pihole (with DoH) and wireguard. For pi-hole, i filter around 10 devices, but i do only one wireguard connection at time. CPU usage is really low. I can have full bandwitdh usage on my 200/80 connection.