USB 3.2 Spec Promises to Double Data Transfer Speeds
Jul 26, 2017, 7:48 AM by Eric M. Zeman
The USB 3.0 Promoter Group this week released the spec for USB 3.2, which has the potential to boost speeds through cables. Specifically, USB 3.2 takes advantage of the multi-lane operation that has been built into existing USB Type-C cables. Now, as long as both devices support USB 3.2, end users should see data transfer speeds double. The Promoter Group says the spec allows for up to two lanes of 5 Gbps or two lanes of 10 Gbps operation. The spec makes use of the existing SuperSpeed USB physical layer, but makes minor updates to the hub specification to address increased speeds in addition to transitions between single- and two-lane operation. The USB 3.2 specification is available to developers only at this time. The USB 3.0 Promoter Group expects to release the final version of the spec in September. Devices with support for USB 3.2 will likely not appear in the market before 2018. It's unclear if or how USB 3.2 might be used with mobile devices. Some of the companies in the USB 3.0 Promoter Group include Apple, HP, Intel, Microsoft, ST Microelectronics, and Texas Instruments.
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