We all know that no matter what type of computer, there will be a USB interface. In addition to the mouse and keyboard, you need to use the USB interface. You also need to use this interface when using a USB flash drive. So what is the difference between USB2.0 and 3.0? There may be many people who have not noticed that USB actually has a model. The difference between USB2.0 and 3.0 is more than a little. A small interface actually pays attention to the model, the following small series will give you a brief introduction to the difference between USB2.0 and 3.0.
For USB, we feel similar in appearance, but in fact, there is a difference in their color. In addition to this, the USB interface logo is different. After reading the external things, we can see the difference between USB2.0 and 3.0 from the inside.
First, transmission speed
The speed of USB3.0 is ten times that of USB2.0, and this speed is indeed much faster than the original. But some people will doubt that they went to the computer city to buy a USB3.0 mobile hard disk. Why do you see the speed of USB2.0? In fact, you want to fully reach the speed of USB3.0, you also need motherboard interface and storage media. Cooperation. Although USB3.0 is very popular now, it does not mean that the motherboard inside each computer is USB3.0, so this is why you bought a USB3.0 hard disk but it does not use its speed. the reason.
Second, color and stitch
The front also said that USB3.0 is very popular nowadays, many computer motherboards have already adopted it, but we still have to pay attention to the difference between USB3.0 and USB2.0 when buying, so as not to be deceived. Generally speaking, USB2.0 is not black or white, and the interface of USB3.0 is blue, and there will be "SS" style on the logo. If the color and logo are not good for you to judge, you can check whether the pin is 2 or 3 by checking the pin. The design of USB3.0 is 9 stitches and 2 is only 4 pins.
Third, the price
The interface of USB3.0 has been popular for many years. Nowadays, many computers use this style interface, but since the external device of USB3.0 will be more expensive than 2, the current application is not universal. Some people will doubt if their computer is a 3 interface, then buy a device that can be used 2? The answer is yes, although it is a USB3.0 interface, fortunately it can be compatible, so don't worry USB2.0 devices can't be used, you just can't enjoy the speed of USB3.0.
The above is the difference between USB3.0 and USB2.0 introduced by Xiaobian. From the above content, the two are still very well differentiated.
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