Tenext PCI Express External 2-Port and Internal 20-pin Connector SuperSpeed USB 3.0 Controller Card with Molex Power and Low Profile Bracket(NEC Renesas &micro;PD720201 chipset) SuperSpeed USB 3.0 supports transfer rates of up to 5Gbps Backwards compatible with USB 2.0 and 1.1 devices Internal 20-pin connector for 2 additional USB 3.0 ports for a total of 4 Shipped directly from one of Amazon's warehouses in the United States FREE shipping on Amazon Prime or SuperSaver on combined eligible order