20 Pieces PCI Slot Cover Hard Steel Dust Filter Blanking Plate

If the motherboard has four slots, any of the primary slots will work without any configuration adjustments You may want to use another slot because the

Peripheral Component Interconnect was a common connection interface slot in a computer's motherboard introduced by Intel in 1992

pcle x1 slot The number after the x tells you how many lanes that PCIe slot has PCI-SIG, which defines

pcle x16 slot 7 The PCI slots are standardized, The PCI-e slots depends upon number of lanes 8 The speed of a PCI slot is