QNINE USB 3.0 PCIe Expansion Card, 4 Ports PCIe to USB Adapter, 3 External and 1 Internal, PCI Express Controller Hub for Windows Desktop PC Superspeed Up to 5Gbps Build in Self Powered Technology

Fully compliant with PCI Express Base Specification Revision 2.0 Single Channel (× 1) PCI Express throughput rate of 5Gbps Compliant with Universal Serial Bus 3.0 Specification Revision 1.0 Support for running multiple USB3.0, USB2.0 and USB1.1 devices Support the following speed data rate: Low-speed (1.5Mbps) and full speed (12Mbps) and high-speed transmission (480Mbps), ultra-high speed (5Gbps) It supports all speeds four downstream ports Hot-swap feature allows you to connect and disconnect devices without shutting down the system Applicable models: General Desktop Support system Windows XP / Vista / 7/8/10 (32/64) an available PCI Express slot