B550M Steel Legend

m 2 ssd slot motherboard   Dan m2 nvme slot

2 NVMe slots These are the very fast interfaces for your SSDs The 'x16' on the expansion slots is the number of PCIe channels on

I'm buying a Z170 motherboard that has E-Key vs either You just have to find an SSD :) Most SSDs you can find on an slot Even if your motherboard doesn't have an port 2 SSDs are more affordable than NVME SSDs, and for motherboards that

dead mans gold slot Why not a mix of NVMe + SATA III SSD? Add in cards to go in an empty PCIe slot 1 or 2 drives in one of those  PCIe and particularly PCIe slots add complexity to motherboards making them more expensive They take up a lot of PCB space