Does your 7 port usb 3.0 hub power supply support 220 volts, 50 cycle? email:

Hi David,

Thanks for posting your question here! Yes, the power adapters that come with our hubs are switching power adapters that are capable of supporting inputs in the range of 100-240 V 50/60 Hz.

Hope the above information helps! If you need any additional information, please do feel free to shoot us an email at We are here to help!