NVME M2 drives: which slot to use?

m 2 slot types   Dan m2 pcie 40 in 30 slot

This video explains how to select which slot to use on a motherboard for the best storage

For example, the ASUS Z97-A lists the slot as Socket 3, with M Key, type 22602280 so it supports drives that are 22mm wide and either is a solid-state drive form factor primarily used as an operating system boot solution in conventional rack and tower servers, or as small

mini slot 2 B+M key SSD may support SATA bus or PCIe x2 bus If the SSD only supports SATA bus , its speed will not exceed 600 MB 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