Yes, you can use the M.2 from a PCIe WiFi card and fit it into a standard M.2 slot.
Yes, you can use the M.2 from a PCIe WiFi card and fit it into a standard M.2 slot.
You can replace the Wi-Fi card with an Ethernet cable directly into the M.2 slot on your motherboard. Just ensure you have a longer antenna for better connectivity. Regarding the M.2 slot, it can accommodate various M.2 form factors depending on your motherboard model, so you should be able to fit a Wi-Fi M.2 card without issue.
M.2 WiFi slots differ from M.2 SSD slots. It requires a dedicated WiFi M.2 slot to function properly.