WiFi adapter not visible in Windows 10 Device Manager, but

If you already done the bios whitelist, have you checked the driver? Just a question what 2 wifi card you are running? RoadWarrior->Thinkpad

2 SSD on a motherboard that supports PCI generation 3, it can be significantly faster than a regular SATA drive What Devices Use The Slot?

m2 nvme slot 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

m2 sata slot Only provide PCIe 1X band speed from slot Package Dimensions, x x inches