Hi, guys, this is a product knowledge sharing from Guozhi Electronics, today we are gonna talk about

USB interface!

Since the USB-IF organization released the USB 1.0 standard in 1996, The USB standard has gone

through multiple versions of USB 1.1, USB 2.0, USB 3.0, USB 3.1, and USB 3.2.

In 2019, the USB-IF organization released the latest USB4 standard, bringing a new standard

specification for the USB interface

After the third name change in 2019, the final naming now looks like this

So guys, when buying a USB flash drive or hard drive, you should remove the scales from your eye

to see

What specific standard the USB interface is. Some claim to be USB 3.2, but in fact it is USB 3.2 Gen1,

which is the most original USB 3.0 standard. The maximum transfer rate supported by different

standards is also different.