SSD and Beyond: What is Ahead for the Slot?

Does any PCIe slot support NVMe SSD's automatically or do I need m 2 ssd slot motherboard 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 m2 sata vs nvme slot On newer processors both the first x16 and first NVMe x4 slot both come off the processor The block diagram for your motherboard is going to be

m2 slot pc On newer processors both the first x16 and first NVMe x4 slot both come off the processor The block diagram for your motherboard is going to be