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* Fully compliant with PCI Express Base Specification Revision 2.0* Single-lane (x1) PCI Express throughput rates up to 5 Gbps*Compliant with Universal Serial Bus 3.0 specification Revision 1.0* Supports simultaneous operation of multiple USB 3.0, USB 2.0and USB 1.1 devices* Supports the following speed data rates as follows:Low-speed (1.5Mbps) / Full-speed (12Mbps) / High-speed(480Mbps) / Super-speed (5Gbps)* Supports 4 downstream ports for all speeds* Built-in 4-pin power connector for receiving extra power supply from system* Hot-swapping feature allows you to connect/disconnect deviceswithout powering down the system* Support Windows?XP/Vista/Windows 7System Requirements:* Windows?XP/Vista/7* One available PCI Express slot (Recommend PCI Express 2.0) Accessories: * 1 x USB 3.0 4-Port PCI Express Card* 1 x Driver CD* 1 x User Manual Package include:50PCS X USB 3.0 4-Port PCI Express Card White Micro USB 3.0 OTG Host Cable for Samsung Galaxy Note