vs Ultra : What's the Difference and Which Is Better?

2 drive on a PCIe expansion card, enabling the use of an through the PCIe slots What are the differences between , mSATA and NVMe SSDs? is

The slots in the notebooks are all the same They have one notch and physically will accept M2 SATA and M2 PCIe SSDs However, your notebook has

m2 expansion slot Similar to the SATA SSD, the NVMe SSD utilizes the same compact form factor but an NVMe PCIe interface for data transfer NVMe SSDs offer

m2 slot 2 drives are “keyed” at one end so as to prevent the end-user from inserting them in an incompatible socket PCIe NVMe drives are 'M' keyed SATA ones,