Looks like just two on the current MacBook Air: https://www.ifixit.com/News/62674/m2-macbook-air-teardown-apple-forgot-the-heatsink https://www.ifixit.com/News/

Looks like just two on the current MacBook Air: https://www.ifixit.com/News/62674/m2-macbook-air-teardown-apple-forgot-the-heatsink https://www.ifixit.com/News/62674/m2-macbook-air-teardown-ap... I was partly influenced by memories of scavenging WiFi cards from early Intel MBPs with failed NVIDIA GPUs and buying adapters (with 3 antennas) to add WiFi to desktops in an era where that was not close to standard.