The USB3.0 PromoterGroup alliance, which is composed of the giants such as Apple, HP, Intel, Microsoft, Texas Instruments, NEC, ST-NXP and other technology companies, announces the USB 3.2 standard will replace the current USB 3.1 standard today.
USB 3.2 supports multi-channel operation of host devices and peripherals. USB Type-C cables already support multi-channel operation. After upgrading to USB 3.2, host devices and peripherals can be used to create multi-channel solutions, allowing two channels of 5Gb / s or 10Gb / s. Due to the support of two channels of 10Gb / s transmission speed, compared with the current USB-C cable, the rate of USB 3.2 will be doubled.
The USB 3.0 Promoter Group stated that connecting to a USB 3.2 storage device, a USB 3.2 host can achieve a data transfer speed of 2 GB / sec. And the cable used is a USB-C cable, which has passed USB SuperSpeed 10 GB / s USB 3.1 certification. In addition, USB 3.2 is also compatible with older versions of devices.
In addition to dual-channel support, USB 3.2 continues to use SuperSpeed USB layer data rate and encoding technology, which will introduce updates to the hub specification to achieve seamless conversion between single-channel and dual-channel operations.