The USB Promoter Group has just announced the USB 3.2 spec update with one major change over USB 3.1: multi-lane operation on hosts and devices and thus double the bandwidth on existing SuperSpeed Type-C cables.

With USB 3.1, both hosts and devices were designed for single-lane use. The SuperSpeed cables, however, were designed with multi-lane in mind, but weren't able to make use of it because the devices they connected to on both ends didn't support it. Thanks to USB 3.2, upcoming certified hosts and devices will support multi-lane operation so existing cables can benefit from double the speed when connected to them.

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