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

Unable to install Samsung NVM Express driver on laptop nvm slot 2 slot on the motherboard Actually the is rather a physical form factor than an electrical one It speaks nvme vs m2 slot difference 2 slot When they use the NVMe interface, NVMe SSDs can deliver some of the fastest data transfer speeds available today PCIe SSDs A

nvme gen 4 in gen 3 slot  This article describes the three new configurations available Slot 7 : 810-4P NVMe Switch Adapter The front and rear views