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Purpose-built pfSense devices are available from many manufacturers, including the makers of pfSense themselves. VPN (opens in new tab) performance, particularly, is dependent on how much processor power your endpoint has, and depending on the size and complexity of your local network layout, you may want a device with more than two network interfaces. However, the exact requirements you will require will depend on the number of rules and VPNs that you have on your device, along with the amount of data folowing through it. In terms of hardware, pfSense requires a CPU with a base frequency of 600Mhz, at least 512MB RAM, one or more compatible network interface cards (opens in new tab) (NICs), a bootable USB drive or CD/DVD-ROM for initial installation, and at least 4GB of available storage - either on a hard disk, or a flash device such as an SD card.
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