PCIe Bifurcation

2 slots — supporting both PCIe and — that allow you to expand your system with high-performance SSD storage Designed for the latest generation of NVMe

According to wikipedia M keyed means PCIe ×4, SATA and SMBus So a M-keyed port can do both PCIeNVMe and SATA

m2 pcie slot Your notebook has a slot that supports both NVMe and SATA SSD's See chapter 1 of the service manual for the supported drive types

m2 sata slot Re: Windows 11 doesn't recognize an NVMe in a pcie slot after upgrade · @Rabasirap Well, after a few weeks of experimenting myself, the