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

pciex16 slot configuration   Dan pciex16 slot

It's a slot of x16 size but electrically x4 This

From the System Utilities screen, select System Configuration > BIOSPlatform Configuration > Network Options > Network Boot Options > PCIe Slot Network pcie x16 slot, pcie x1 slot, pcie x4 slot, pcie x8 slot, which pcie slot to use, does it

madu 303 slot It's a slot of x16 size but electrically x4 This Im BIOSUEFI muss unter Advanced -> Onboard Devices Configuration Die RTX 2070 in den obersten PCIe x16-Slot