A Deep Dive into PCIe Lane Values of PCIe NVMe Cards

The 970 EVO is in the M2_1 slot and the new SN850X is in the M2_2 slot I know that the SN850X is Gen4 and significantly faster, I got it on a

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,

m2 sata vs nvme slot SATA SSDs can either take the form of or drives If your laptop has a spare slot, first check if supports NVMe, SATA, or both

m2_1 slot Using PCI Express bandwidth with NVMe drives, SSDs can achieve the fastest SSD speeds available on the market, especially high-end PCI