This guide was once part of my User Build:
https://www.tonymacx86.com/threads/...-8400-ga-z370n-wifi-i630-airport-card.258728/
Components
Wireless
[Guide] Installing an Airport card into a GA-Z370N-WIFI motherboard
https://www.tonymacx86.com/threads/...-8400-ga-z370n-wifi-i630-airport-card.258728/
Components
CM94360CS2 Airport Wireless card
https://www.amazon.com/gp/product/B07BQ976CR/?tag=tonymacx86com-20
BCM94360CS2 to M.2 adapter for above
https://www.amazon.com/gp/product/B01KHRJVXW/?tag=tonymacx86com-20
https://www.amazon.com/gp/product/B07BQ976CR/?tag=tonymacx86com-20
BCM94360CS2 to M.2 adapter for above
https://www.amazon.com/gp/product/B01KHRJVXW/?tag=tonymacx86com-20
Wireless
Airport card —>...
[Guide] Installing an Airport card into a GA-Z370N-WIFI motherboard