ps: make sure you get a wifi card that is supported by FreeBSD. While you can put in a supported one, the X220 won't boot because Lenovo put a Wifi card whiteli

ps: make sure you get a wifi card that is supported by FreeBSD. While you can put in a supported one, the X220 won't boot because Lenovo put a Wifi card whitelist into the BIOS and you need to install a patched BIOS from a dubious source.