Pfsense Serial Number _best_ Link

For official Netgate appliances (such as the SG-2100 or XG-1541), the serial number is printed on a physical sticker. System serial number | Netgate Forum

For generic hardware where a serial number isn't populated in the BIOS, pfSense will display a Host UUID instead. 2. Command Line Interface (CLI) pfsense serial number

The easiest way to find the serial number is through the pfSense WebGUI dashboard . For official Netgate appliances (such as the SG-2100