U disk USB2.0 and 3.0 how to distinguish

When we usually buy U disk, you definitely want to buy a USB 3.0 U disk with faster transfer speed. However, how do we distinguish whether the USB flash drive is USB2.0 or 3.0? Many people don't know how to distinguish it. Although most products will be directly marked as USB2.0 or USB3.0, there will still be cases of charging. Below, Xiaobian will introduce how to distinguish whether the USB flash drive is USB2.0 or USB3.0. Differentiate from the base color: USB2.0 interface base is generally black or white. The USB3.0 interface base is blue. From the U disk socket pin: USB 2.0 is 4 pins, while USB 3.0 uses 9 pins, more than USB2.0. Differentiate from the transmission speed: This method requires tools. In theory, the USB 2.0 rate is 480 Mbps, and the USB 3.0 can reach 4.8 Gbps. When you buy a USB flash drive, please pay attention to USB2.0 or USB3.0, the price of the former will be cheaper than the latter. If you have friends around you who need to buy U disk, you may wish to have more science, more people collect, good luck will be more.