External/Internal PCI-e Port Multiplier — 1 to 3 PCI Express 1X Card Expansion Adapter

Convert one PCI Express 1X connection into three PCI express 1X slots with this PCI-e Port Multiplier card expansion adapter. Designed for both external and internal use, it expands 1 to 3 PCI express 1X slots so multiple 1X cards can be connected via a single PCI-e interface. A compact card expansion adapter solution for adding extra PCI-e 1X ports.