What Is an Slot and What Devices Use the Slot?

Which slot should I use for my SSD? m 2 card slot The form factor specification spells out the physical size and shape of the SSD card you can connect to your system 2 slot The form factor is small and m2 expansion slot Also supports PCIE x1 bus slot The NVMe PCIe card allows you add PCI-e NVME SSD to your motherboard without slot, perfect solution

m24 slot It seems only the CM4 with wifi, 8GB ram, sd card type can detects the m2 ssd I have cross tested , not the ssd issue not the board slot issue