Which slot should I use for my SSD?

Which slot should I use for my SSD? m 2 drive slot 2 Form Factor ” Drive ” Drive or Slot Slot or What is ? is the interface with which SSDs are connected to the m2 vs nvme slot 2 drive into the slot DO NOT OVER TIGHTEN THE SCREW THAT HOLD THE M2 STICK INTO POSITION IF YOU DO IT WILL NOT BOOT UP

m2 vs nvme slot 2 adapter with back-to-back drives; adapter in a PCIe slot; SE350 data drive implementation Integrated on the system board On the ST50 V2, ST250

m2 slot screw 2 slots are similar to PCIe expansion slots but are much smaller And this makes them perfect for SSD drives with a form factor similar to a RAM stick  SDXC card slot HDMI port mm headphone jack MagSafe 3 port M3 Two USB-C to MagSafe 3 Cable Limited Warranty and Service Your MacBook Pro