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The difference between USB2.0 and USB3.0 interface
Author ：
USB 3.0 interface is a new generation of U disk interface, given that many children do not understand the technical parameters, we will not describe the technical data in detail here, you only need to know one thing: USB3.0 copy speed is faster, much faster.
USB3.0 connector
Of course, the premise is that your USB flash drive is USB 3.0, your computer interface is also USB 3.0
It has been mentioned before that the USB2.0 connector is black and the USB3.0 connector is blue and can be distinguished by color.
The answer is no. The USB3.0 specification does not specify what color the interface must use, the use of blue or other colors is only to more intuitive and 2.0 interface for distinction. Therefore, you can not directly and simply blue interface to distinguish between USB3.0.
I use a brand of laptop has two black USB ports and a blue USB port, unfortunately, all three are USB2.0, the author's USB3.0 large-capacity USB flash drive has never experienced the feeling of fast copy speed ... ...
Take Lenovo computers, for example, Lenovo computers, USB3.0 in addition to blue, may also be red, orange or black.
Therefore, in addition to the color, we need to correctly identify USB3.0 based on other more accurate identification features.
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