Handle your workload more efficiently. This USB 3.0 card expands your computer's capabilities by giving you seven extra USB 3.0 ports. It's engineered with an innovative stacked port layout to fit easily into both low-profile and standard desktop computers. Extend your system capabilities by adding 7 USB 3.0 ports 6 external and 1 internal to any PCIe compatible computer Unique dual-profile design fits standard and low-profile computers Get up and running quickly with native OS support in Windows 8.1, 8 and Linux kernel 2.6.31 or later Enjoy fast file transfers with USB 3.0 5Gbps and UASP support Backward compatible with USB 2.0 and 1.x devices SATA power connector with up to 900mA per port for high-power USB devices PCIe x1 interface compliant with PCI Express 2.0 specifications Greater port count. Greater scalability More ports means you can add USB devices as you need them. This robust USB 3.0 card gives you seven USB 3.0 ports six external and one internal so you can plug in your tablets, smartphones, external hard drives, CD/DVD drives, printer and other devices at the same time. With so many extra ports, you can leave your devices plugged in, so they're ready to use when you need them. It's also economical by being able to connect so many devices, you save the cost of extra hubs or cards. The internal USB 3.0 port lets you connect a USB device inside your computer for added convenience an