vs NVME: What's the difference?

Not correct All slots are the same and can fit either M or B + M keyed SSDs The slot is

What is NVMe M2 SSD and SATA or mSATA

m2_1 slot Don't get me wrong, a SATA SSD is still plenty quick, but if you are after raw speed, then an NVMe SSD will be quicker Of course, there is

m2 slot Confused about , PCIe, SATA and NVMe SSDs? The experts at Crucial explain all you need to know about form factors, physical interfaces and more