Used rack server is also an option if you want room to grow, Sandy Bridge and newer models have decent power consumption. My dl360e idles around 40W with five d

Used rack server is also an option if you want room to grow, Sandy Bridge and newer models have decent power consumption. My dl360e idles around 40W with five disks. Four gigabit ports, BMC, ECC, and you can virtualize pfsense and run additional containers and VMs on top.