Can You Help me Understand This SATA NVMe PCIe SSD Gen

What is the difference between an SSD and an NVMe M nvme slot types First, make sure the computer receiving the drive has the connector type for that type of drive Most consumer NVMe drives only support the nvme vs m2 slot difference The common SSDs have two types: one notch and two notches From top to bottom, Toshiba RD400 NVME SSD,

nvme pcie 40 in 30 slot Boards can also be keyed for SATA or PCIe ×4 NVMe supports the same end-to-end protection types as DIF The type of end