Once you have decided where to deploy pfSense on your network, you should have a clearer idea of what your hardware requirements are. As a minimum, you will need a CPU, motherboard, memory (RAM), some form of disk storage, and at least two network interfaces (unless you are opting for a router on a stick setup, in which case you only need one network interface). You may also need one or more optional interfaces.
Hardware requirements and sizing guidelines
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