How to determine which slot a SSD is connected to

Can I use an M2 SATA in an NVMe slot A slot that can do SATA will have the M key andor

Only could handle both SATA and sticks could only handle interface AND

can i use a pcie 40 gpu in a 30 slot Like SATA models, NVMePCIe drives are mounted directly into the slot on the motherboard They also do not require additional

can i use m2 sata in nvme slot Two types of M2 SSD