Offers two external USB 3.0 super speed ports. * Backward compatible with USB 2.0 / 1.1. * Super-Speed USB 3.0 supports data transfer speeds up to 5 Gb/s (maximum). * Hot-swapping. Plug and play. Easy to install, no external power needed. * Ship next business day! 24 * 7 Email Support! Free Lifetime Technical Support and 18 Months Manufacturer Warranty from Anker® Uspeed.