What is an NVMe SSD?

PCIEx16 drops to x 8 when M2 SSD is installed??? what does an m 2 slot look like : I want to upgrade my laptop with an SSD but I can't identify the type of slot it has, It looks like it is an what slot app pays real money What Does an SSD Look Like? · B: The notch is six pins from the left · M: The notch is five pins from the right · B&M: Features two notches; the first is six

what games does pg slot have Two types of M2 SSD