The USB 3.2 specification has been revealed

The new standard will offer double the bandwidth when using standard USB 3.1 cables

The USB 3.2 specification has been revealed

The USB 3.2 specification has been revealed

The USB Promoter Group has announced that the USB 3.2 specification is in the works, an incremental update that will offer double the bandwidth of USB 3.1. 
USB hosts were originally designed as a single lane solution, though modern USB Type-C cables have been designed to support multi-lane operations to ensure a path to scalable performance moving forward. With USB 3.1 this ability has not been utilised, meaning that USB 3.1 type-C cables are capable of higher speeds but modern USB 3.1 sockets are not. 
This means that USB 3.2 ports will be able to use existing USB 3.1 cables to offer double the data transfer speeds of USB 3.1, though this means that users will need to wait for a whole new generation of devices that offer USB 3.2 support. 
At this time the USB 3.2 standard has not been ratified, though the specification is expected to be finalised sometime in September. This means that USB 3.2 devices will not exist for some time. 


The USB 3.2 specification has been revealed


The move to USB 3.2 will officially make USB as fast as Thunderbolt 2.0, which is great news for USB, though this also means that Thunderbolt 3 is still 2x faster than USB 3.2.

Key characteristics of the USB 3.2 solution include:

  • - Two-lane operation using existing USB Type-C cables
  • - Continued use of existing SuperSpeed USB physical layer data rates and encoding techniques
  • - Minor update to hub specification to address increased performance and assure seamless transitions between single and two-lane operation


You can join the discussion on USB 3.2 on the OC3D Forums


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Most Recent Comments

26-07-2017, 14:12:38

That was quick. Is the bandwidth the only difference? No more amps for faster charging or audio pass through? I think the latter would be a cool thing to have. Instead of 3.5mm jacksQuote

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