What is an slot on a motherboard used for?

What is an slot on a motherboard used for? m 2 ssd slot If you are about to upgrade your SSD or graphics card, you should understand the SATA and PCI Express interfaces meyd828 2 slot relies on PCIe and a more advanced interface If it's used on the PCIe motherboard interface, the Ultra M2 SSD can even support

meyd828 “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

meyd501 Some Nitro 5 models have an expansion slot that allows for adding additional storage Please see the table below for information on what 2 SSDs are keyed at both M and B positions, so they can fit in SATA slots and PCIe , even if they might not work in the latter NVMe SSDs are keyed only