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The PEXUSB3S4V PCI Express USB 3.0 Card (with SATA Power) adds four external USB 3.0 ports to any PCI Express-enabled computer system. SuperSpeed USB 3.0 provides up to 5 Gbps of data bandwidth、 while remaining backward compatible with existing USB 2.0 devices at 480Mbps. Using a "stacked" port layout that places the ports one on top of the other、 more ports are able to fit into a smaller space. This four-port PCIe USB 3.0 adapter enables all four USB 3.0 ports to be external facing、 while still allowing the card to fit into a small form factor/low profile computer system.






With a built-in SATA power connector、 each USB port can provide up to 900mA of power to devices that draw power from a host bus connection (500mA for USB 2.0) by connecting to your computer power supply.
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