What Are PCIe Slots Used For? - Devices and Expansion

Hi, I'm new to TekSyndicate Does anyone know of any adapters that can convert a single x16 slot into 4 x4 slots? I've searched around but

You'll be able to do more with less in this case, since a PCIe x8 slot can handle almost exactly what a PCIe x16 slot can currently

cannot determine a partition for slot For instance, you can place a PCIe x8 card into a PCIe x16 slot when the PCIe x8 slot has been occupied, but that card will always run in PCIe

can you run ddr4 in a ddr5 slot PCIe x4: These have four PCIe lanes, and they also can fit into a x16 slot Often used for single NVMe SSD expansion cards, they are