You’ve seen M.2 cards in modern laptops already. If you’re buying an SSD today, it’s most likely an M.2 one. Many of our laptops contain M.2 WiFi cards, the consumer-oriented WWAN cards now ...
Type II cards include RJ-45 connectors on the board, and the card must be housed at the edge of the laptop so the sockets reach the outside. Type I and III cards connect to external RJ-45 sockets ...