what can you put in a pcie slot-kubet casino
PCIe slots come in different physical configurations: x1, x4, x8, x16, x32 ... So if you put a PCIe 2.0 card in a PCIe 3.0 slot, you’ll get PCIe 2.0 performance.
Can You Use a PCIe 4.0 SSD On Your Existing Motherboard?
Can I Put a 4.0 NVMe in a 3.0 Slot? ... You can install a faster NVMe M.2 2230 SSD supporting the PCIe 4.0 standard into an older motherboard slot that only supports the PCIe 3.0 specification.
Issues using the second M.2 SSD slot - HP Support Community - ...
Lower PCIe lane cards can fit in higher slots; a PCIe x4 card and a PCIe x8 card can fit in a PCIe x16 slot, so there is no need to buy a PCIe x16 slot M.2 to PCIe expansion card if you don’t need all 4 M.2 slots.