pcie-slots
PCIe (Peripheral Component Interconnect Express) slots on a motherboard are used to connect various internal components, primarily expansion cards, to the motherboard.
Mail Boss 7412 High Security Steel Locking Wall Mounted ...
PCI Expansion slots. Up to 7 PCIe slots: 6 general purpose PCIe 3.0 slots plus one slot reserved for the M.2 adapter. General purpose slots are as follows:.