Expansion Slot

How to determine which slot a SSD is connected to m2 expansion slot Suitable for slot with key A or key E based on PCIe and USB PCI Express Rev Operating temperature: 0 °C ~ 80 °C Dimensions : board: ca m2 vs nvme slot Buy Expansion Slot M2-REMOVABLE-PCIE-N1 or other Hard Drive Accessories online from RS for next day delivery on your order plus great

m2 slot screw Problem is that the top M2 slot I've seen a post or two before about the expansion slot for this machine being behind