What Are PCIe Slots Used For? - Devices and Expansion

The latest proposed PCIe standard will increase this further Each PCIe slot carries either one, two, four, eight,

is just the slot Not all drives are NVMe drives can be SATA or NVMe Having said that, even with an NVMe drive in an PCIe

pcie gen 4 in gen 3 slot x, , , ) PCIe cards can always operate in PCIe slots with the same or more lanes than the card

pcie m2 slot slot can handle almost exactly what a PCIe x16 slot can currently handle PCIe x2 will still work with a PCIe x8 interface