PCIe x1 to 4 Port PCIe x1 Riser/Extender Bridge (USB 3.0 60cm) 1-slot PCIe x1 to 4 slot x1 riser card with high speed USB 3.0 cable Supports 4 PCIe x1 cards in a single x1 slot Solid capacitor provide extra stable power for PCIe cards Can be used to extend 4 PCIe ports outside case Full size and short PCI slot bracket included