The interface for plugging in the USB disk on the computer is the USB interface. USB is an external bus standard that regulates the connection and communication between computers and external devices. The USB interface has hot-swappable function.
At present, it is mainly USB2.0 and USB3.0 standards.
The maximum transmission bandwidth of USB2.0 is 480Mbps (i.e. 60MB/s), while the maximum transmission bandwidth of USB3.0 is as high as 5.0Gbps (500MB/s)
USB3.0 introduces full dual Industrial data transmission. Two of the five lines are used to send data, the other two are used to receive data, and one is a ground wire. In other words, USB 3.0 can perform read and write operations simultaneously and at full speed. Previous versions of USB did not support full-duplex data transfer.
The USB 3.0 standard requires that the power supply capacity of the USB3.0 interface is 1A, while USB 2.0 is 0.5A.
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