We often use the USB interface on the laptop when transferring files, but many friends may not know that the computer actually has the difference between USB2.0 and USB3.0. Do you know the difference between USB2.0 and USB3.0? How to distinguish? Let's have a look
The specific methods are as follows:
1. In terms of USB appearance, USB2.0 is usually white or black, while USB3.0 is changed into a 'tall' Blue interface;
2. From the perspective of USB socket pins, USB2.0 adopts 4-pin design, while USB3.0 adopts 9-pin design, which is more powerful than USB3.0;
3. From the appearance of the USB port, the USB3.0 interface is marked with 'Ss' style, while USB2.0 is only marked with ordinary USB universal identification;
4. At present, some laptop USB interfaces have also provided support for USB2.0 and USB3.0. We can distinguish them by interface color. In terms of transmission rate, the theoretical value: the transmission speed of USB 3.0 is 4.8gbps, 10 times that of USB 2.0. That is, 4.8gbps = 600MB / s.