Multiply your USB3.0 ports

First test: with a single hard disk "Western Digital" My Passport 2TB Ultra "
Transferring a file 445Go with "mixed" data, photos, video, music, PDF, text etc ...
- 85 minutes live on USB3 socket PC
- 85 minutes on the Hub self-powered (and thus a single disk)

Second Test with two hard drives:
Transfer rates remain identical with simultaneous transfer to two hard disks but it will be necessary to connect the external power supply

Last test:
The two hard disks I added my HTC ONE for charging and transferring my photos on my PC,
On the 4th harbor I added my flexible LED light to illuminate the whole ..
There was no transfer problem, no overheating of the HUB despite all the performances I have imposed.

Most:
- Compact: 60mm x 60 mm x 20 mm
- Weight: 87gr.
- Easily transportable ..
- Easy to use
- Powerful