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

Enabling or disabling PCIe Slot Network Boot · From the System Utilities screen, select System Configuration > BIOSPlatform Configuration > Network

Newer devices would instead have a PCI-e slot Desktop to Laptop Another major hardware and device change has been the shift in markets from

pcle slot 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

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