yesterday i just bought a new Buffalo HDPCTU3 Ministation 3.0 from IT fair in my country... when i read on the manual of this external... it shown that this external comes with 2 LED light which is Blue for USB 3.0 and Green for USB 2.0... for the first time i connect on USB 2.0 and it appear with Green light... the problem is when i try to connect to the USB 3.0 it does not appear a blue light but still appear with a green light.. i hope that you can help to solve my problem whether i had missing something or i need to send back to the shop i bougt.