What exactly does the spec “PCIe x16 slot ” mean?

What exactly does the spec “PCIe x16 slot ” mean? pcle slot PCIe Gen3 x16 slot P1-C8 PCIe Gen3 x16 slot P1-C7 PHB 1 e nalpkcaB O I SMP X Bus SMP M S B X Bus PHB0 PCIe Gen3x16 slot P1-C6 PMS s u B A P8 PHB 1 pcle slot PCI Express adapters use a different type of slot than Peripheral Component Interconnect and Peripheral Component Interconnect-X

pcle slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

pcle x16 slot 1 Answer 1 Your assumption is correct This would be a slot with only four PCIe lanes connected, but it can fit a 16-lane card This is pretty 1 PCIe x16, 1 PCIe x16, 1 PCIe x1; AMD Quad It also ensures the heavy graphics cards to be well-installed in the PCI-E slot safely