What is an NVMe SSD?

M vs : What's the Difference? what does m 2 slot look like There are so many different sizes! How can I differentiate them to know which size fits on the motherboard, and what does the name on my what is the slot There are so many different sizes! How can I differentiate them to know which size fits on the motherboard, and what does the name on my

what does slot mean 2 is a slot that can interface with SATA , PCI Express