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This 7-port USB3.0 PCI-E expansion card features premium NEC720201 and VL812 dual chips to guarantee steady data transmission at max 5Gbps speed. Built with a standard 15Pin SATA power input, it can provide adequate power for portable hard drives, USB docking stations and power-hungry peripherals without insufficient voltage issues. Designed for PCIe X1 interface, the card is installable on any PCIe X1/X4/X8/X16 motherboard slot from Intel and AMD platforms. It is plug-and-play after proper driver setup, downward compatible with all USB 2.0 and USB1.1 gadgets, perfectly fixing the problem of insufficient native desktop USB ports for daily office and storage use.