This Specific Model has only 1 NVME SSD SLOT -

This post shows you the difference between M and in the aspect of plug and slot

I've had some troubles finding what exactly fits into this thing From the white sheets it looks like it will take a 42mm or 60mm pcie ssd

m2 nvme slot 2 M key slot is compatible with both B+M key SSD and M key SSD ” So again the question is does that M key slot also have to support Sata??? What

m2 expansion slot Find out which SSDs can be used to expand your PlayStation®5 console storage space, and how to insert an SSD into the expansion slot