Dissecting the Modern Motherboard
And since you may be confused about the M.2 slots on your computer’s motherboard, we have already explained everything regarding the same up above.
What Is PCI Express 5.0, and Why Does It Matter for the ...
The M.2 slots are abundant with three slots on the motherboard and an accompanying ROG PCIe M.2 expansion card allowing you to add two more hard drive slots.