NVMe vs vs SATA SSD: What's the difference?

Does this mean I am able to insert a B&M key SSD with 2242 form factor in this slot? If yes, does the slot accept NVME or SATA or both types of

2 connector, more than one type of interface that can be used with M The Intel SSD is keyed for slots B and M, so it fits in the right slot

nvme 40 in 30 slot PCIe NVMe drives are 'M' keyed SATA ones, however, are 'B+M'

nvme m2 ssd slot 2 M key slots have five pins and support SATA, PCIe, and NVMe protocols They are typically used for high-speed SSDs and other high-performance peripherals