and Sata port :: Hardware and Operating Systems

Yet there are 5 SATA ports in the bios…and the M2 stick is showing up in that 5th port That much makes sense to me The 'problem' is

2 PCIe slot, an SATA SSD with identical keying will fit in the slot but will not work, and vice versa There are some systems that are dual-mode,

m2 expansion slot 2 SATA SSD drives mSATA hard drives were well established and many motherboards were not compatible with the latest expansion ports As form

m2 slot types SATA-based drive or an NVMe-based drive Your motherboard might not have the appropriate slots for both types (SATA and NVMe drives