-7 SuperSpeed USB 3.0 ports support data transfer rates of up to 5Gbps. (Note: actual rate will depend on the capability of your device.) Backward compatible with USB 2.0 / 1.1. * -Fashionable mirrored surface and compact design saves precious desktop space and allows device to be easily taken on the road. * -Built-in surge protector safeguards your devices, while respiring LEDs display the status of all connections. High-grade chipset and 36W adapter guarantee steady operation. * -Supports plug-and-play and hot-swapping. No installation of drivers required for Windows XP / Vista / 7 / 8 or Mac OS X 10.2 and above. * -Package includes: Anker USB 3.0 7-Port Hub, 12V 3A power adapter, 2.7-foot USB 3.0 cord, user manual. Free lifetime technical support and 18-month manufacturer"s warranty.