PCIE x1 card in PCIE x16 slot?

PCIe X1 to X16 Slot Extension Adapter Add-on Cards & Peripherals pcle x1 slot power supply for the PCIe slot is pins B2, B3 and pins A2, A3 Power standby V is pin B10 and A10 PCIe x1 cards can receive up to 25 W pcle x16 slot you will need at least a pcie x16 or pcie x8 to prevent bottlenecks a pcie x1 slot will most definitely reduce PPD from the card on it

pcle slot Most of dual NICs need an x4 PCIe slot The end result would look like this picture : The only doubt