NVM Express

Single or Double Sided NVMe SSDs: Why This Matters nvme slot vs m 2 Two types of M2 SSD nvme m2 slot 2 PCIe NVMe SSD will not be compatible with your SATA port Basically, different protocols and interfaces are used in both these connections

nvme m2 slot motherboard 2 or the NVMe drives are also SSD drives, but with a different interface, faster speed, and are built to be used as internal storage NVMe