The difference between USB3.0 and 2:
Usually USB 3.0 is blue, USB 2.0 is black, and every computer comes with USB 2.0 and USB 3.0 USB sockets. So what is the difference between USB3.0 and 2?
The difference between USB3.0 and 2
Mini USB 3 will be divided into A, B two common ports (Plug), and the mother port (Receptacle) will have B and AB two, from the shape, the AB mother can be compatible with A and B two kinds of mouth, at the same time, you can see the 3 version of the pin is 9 needles, and 2 is 5 needles.
The difference between USB3.0 and 2 is two
USB 3 has a compatible standard with the old version, supports universal I/O interface, and will be optimized to reduce energy consumption and improve protocol efficiency in the field of computer, consumer and mobile products, support fast synchronous mobility, support both optical and digital component specifications, and have traditional USB technology. The characteristics of ease of use and plug and play.
The difference between USB3.0 and 2 is three
USB3.0 transmission rate is USB 20 times the rate of USB 2 is 480 Mbps, while USB 3 can reach 4.8 Gbps. Of course, many devices do not need such a high speed, but hard drives and card readers and other devices require high speed. Compared with USB 2, USB 3 will be more energy-efficient. In addition, USB 3 is downwards compatible and supports USB 2 devices.