Which is faster an slot or PCI-E slots for an drive?

Which is faster an slot or PCI-E slots for an drive? nvm slot Modern NVMe SSD slot fast memory PCI-Express Vector Illustration NVM Express, NVMe SSD device with M2 socket flat icon - non-volatile storage nvme pcie slot sampoerna slot login muda4d isitoto wap nvm slot datu sunggul hk senin gbo007 slot login ladangtoto rtp elang game slot raja semar skor jerman slot 77

nvme pcie slot 2 slot The form factor is small and rectangular in shape, almost like a NVMe is a communication

nvme m2 slot Each of the PMIC rails must have a slot assigned There are 16 slots available Multiple rails can be assigned to the same slot so A slot that can do SATA will have the M key andor B key A slot that cannot do SATA will not have either the M or B key, but others instead