Excellent Product with a great service,
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This review is from: TeckNet USB 3.0 4 Port Hub + 5V 2.1A Charge-Only Port With 12V/2A Power Adapter and USB 3.0 Cable (Electronics)
This is an excellent product. When first trying to set this up it would not recognise some USB drives. So I contacted Tecknet and they offered an exchange or money back. In the meantime I uninstalled and re-installed an up to date USB 3 driver for my system which was plugable-Renesas - USB3 windows 32-64 ver 2.1.2. Everything worked fine since then. Buy with confidence a good product with good support from Tecknet.