E sockets for connecting WiFi cards, M-key slots and cards for PCIe up to x4, and B+M cards for PCIe up to x2 and compatibility with both B-key (WWAN) and M-key (SSD) sockets. There’s plenty of M.

The smallest PCIe slot (PCIe x1) has a single lane available and can be used for Wi-Fi cards, LAN cards, Bluetooth, and more. Along the same lines, PCIe x4 slots have a total of four PCIe lanes ...

2 WiFi cards, the consumer-oriented WWAN cards ... there’s anchors you can rely on – if you see a M-key, A-key or E-key slot, it has PCIe, if you see a B-key slot, A-key or E-key slot, it ...

cards that plug into an empty slot on the motherboard. See PCI and PCI Express. Cellular wireless adapters, also called "cellular modems," "air cards," "broadband adapters" or "broadband cards ...

The ASUS ROG Strix B850-E Gaming WiFi motherboard's strong feature set and reasonable price make it a very strong X870 ...

The WIFI EZ-Plug design integrates Wi-Fi antenna ... these boards are built with high-quality components and PCIe UD Slot Armor, reinforcing structural integrity for heavy graphics cards. GIGABYTE ...