What are PCIe Slots in PC?

4x pcie slot   Dan 4x4bet slot

My first motherboard runs the 3x full size slots in a PCIE 4x configuration, with the single slot at 1x configuration How can I change

Likewise, PCIe x16 refers to a Gen 4 expansion card or slot with a 16-lane configuration And so on Each new PCI Express generation doubles For example, if you connect a PCIe expansion card to a PCIe slot, the card will perform to the PCIe specs PCIe Gen 4 offers

t slot extrusion Nuvo-4000 Intel® 3rd-Gen Core™ i7i5 fanless rugged embedded computer with 4x PCIePCI expansion slots  Upstream port: PCIe x8 Edge Finger · Downstream port: Two Internal PCIe Cable Port · PCI Express Switch: 16-Lane, 5-Port PCIe Gen 3