NVMe vs SSD: What's the difference?

Note: Most M Key sockets on laptops are backward compatible with SATA bus, but some M Key slots on desktops only support PCI-E bus 2 slot on

x4 NVMe SSDs directly use PCIe bus protocol, and so can be directly plugged into a full-size PCIe slot using a simple passive adapter But there

m2 slot types 2 slots are off the chipset, and one slot can take either an NVME or SATA card

m2 pcie 40 in 30 slot NVMe connections, on the other hand, allow the SSD to read data directly from the PCI-E slot right on the motherboard The drive uses the power