What is going on with the sata m.2 slot?? - amazon.com
The last but not least, you should check whether the M.2 slot supports PCIe (check in motherboard information).
HBD Card vs SATA Card vs Motherboard SATA - TrueNAS General - ...
Make no mistake, M.2 slots on the motherboard can have SATA and PCIe lanes going to the slot. This, totally depends on the motherboard you’re having.
How to determine which M.2 slot a SSD is connected to.
Your motherboard will need to have an M.2 slot to install a compatible M.2 SSD.
Cách thêm ổ SSD M.2 NVMe vào bo mạch chủ của bạn
Compare the M.2 card and Motherboard specifications to ensure the parameters match (to ensure that the Motherboard supports the wanted M.2 card functionality).