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

Which is faster an slot or PCI-E slots for an drive? m 2 slot vs pcie The expansion card lets you take full advantage of the fast performance and compact size of PCIe internal solid-state drives With the PCIe based drives m2 slot mainboard 2 SSD based on the NVMe specifications, for example, can read and write at much faster rates than SATA or SAS SSDs Flexible interface An SSD supports PCIe

m2 slot mainboard is a form factor It describes one physical card flavor for PCIe cards also supports additional protocols (SATA and USB for example,

m2_1 slot Choosing between a SATA or PCIe SSD depends on your needs and budget If you want the fastest possible speeds for tasks like gaming, 2 NVME SSDs with a notch is the strongest; from the compatibility, M 2