Anker 2-Port USB 3.0 3.5 inch Front Panel Data Hub for PC, USB Flash Drives, and Other Devices Offers two external USB 3.0 super speed ports. Super-Speed USB 3.0 supports data transfer speeds up to 5 Gb/s (maximum). Backward compatible with USB 2.0 / 1.1. Sturdy metal construction endures wear and tear, ensuring long-term use. Hot-swapping. Plug and play. Easy to install, no external power needed. System requirements: Windows 8.1 / 8 / 7 / Vista / XP. Package contents: Anker 2-Port USB 3.0 Front-Panel Hub, welcome guide. 18-month warranty, and free lifetime technical support.