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Feature
Add 4 USB 3.0 ports to your PC or MacBackward Compatible to USB 2.0 and USB 1.1
USB 3.0 for fast data transfers - up to 10X faster than USB 2.0
Connect up to 127 USB devices by cascading multiple hubs
4 fast charging ports give your mobile devices a boost in power
Plug and play connectivity
Hot-swap compliant
Micro USB port
5V/4A power adapter to deliver max. 900mA per port