USB marking system is simplified: only transmission speed and charging power are marked.
CTOnews.com Sept. 23, according to foreign media computerbase news, USB-IF announced a new USB logo, eliminating the terms "SuperSpeed" or "USB4", only indicating speed and charging power.
As shown in the figure above, the USB interface Logo is divided into four levels: 5Gbps, 10Gbps, 20Gbps, and 40Gbps.
In addition, the Logo of USB charger is divided into 240W and 100W.
The Logo of charging line is more complex, which can be divided into eight types: 40Gbps / 240W, 40Gbps / 60W, 20Gbps / 240W, 20Gbps / 60W, 5Gbps / 240W, 5Gbps / 60W and 240W, 60W.
CTOnews.com learned that not long ago, USB-IF also announced USB4 2.0, which is as fast as 80Gbps, and will join the Logo system after the standard is implemented.
