Which slot should I use for my SSD?

How Many Types Of Slots Do Motherboards Have m2 slot types 2 SSDs are long, thin PCBs with multiple NAND Flash modules, and connect via an connector to an slot on the motherboard There are m2 slot mainboard 2 expansion card to add an additional Slot to your PC ATX motherboards have ample slots but if you have a small form factor mATX motherboard (usually

m24 slot I'm now inclined to think the slot is not backwards compatible with SATA drives (or at least I can't find anyone in the Dell community