What It Is and Why You Need It 
Adds up to 10 additional USB 2.0 ports
Transfers your data at up to 480Mbps
Installs easily with Plug-and-Play convenience
Works seamlessly with all your USB 1.1 and USB 2.0 devices
Saves desk space with stackable, slim-line designThe USB 2.0 Hub adds 10 additional USB 2.0 ports to your PC or Mac, allowing you to connect USB devices such as digital cameras, external hard drives, flash drives, and printers. Providing data rates of up to 480Mbps, this USB 2.0 hub is the ideal solution for transferring data between your computer and external USB storage devices.  FeatureAdds up to 10 additional USB 2.0 ports Compatible with USB 1.1 and USB 2.0 devices USB specification 2.0 for data rates up to 480Mbps Backward-compatible support for USB 1.1 Installs easily with Plug-and-Play convenience Works seamlessly with all your USB 1.1 and USB 2.0 devices Saves desk space with stackable, slim-line design Supports "hot swapping" of all your USB devices Lowers power consumption for longer battery life Makes power supply optional in laptop applications Lets you monitor port and power status with LEDs Features over-current detection and safety  For PC UsersWindows 98SE, 2000, ME, XP, Vista, 7 Available USB 2.0 portFor MAC UsersMac 8.6 or greater. Requires OS X for USB 2.0 support Available USB 2.0 port