Can I use the SSD slot for a Wi-Fi card?

No, has to be the WiFi card slots have “keys, that's the shapes at the end of the card that slots in SSDs have different keys to WiFi

Wifi Adapter M Key to A E Key Slot Wifi Bluetooth Network Card NGFF NVMe PCI express SSD Port to E key Slot Wifi Adapter

m2 slot 2 slot? I have a sata SSD plugged in into a normal slot but it won't work on an

m2 slot mainboard To free up the PCI-E port , I tried installing the AX210 directly into my motherboard's WiFi slot