Which slot should I use for my SSD?

What is an slot on a motherboard used for? m 2 slot ssd Here, you'll find our top-rated SSDs that have come through PC Labs testing Our current top SSD for most users is the Crucial P3, for its balance of m2 vs nvme slot SATA SSD · -34% WD Green 240GB Internal SSD WDS240G3G0B · -23%

m2 slot pc “an M key slot is compatible with both B+M key SSD and M key SSD ” So again the question is does that M key slot also have to support Sata