In order to take advantage of the increased speeds and capabilities offered by USB 3.0, both the device and the computer’s port must support the new standard. It is important to note that not all USB devices are compatible with USB 3.0. USB 3.0 is also known as SuperSpeed USB, and is backward compatible with older versions of the USB standard. The new specification offers increased transfer rates, improved power management, and broader compatibility with a wider range of devices. Apart from the existing structure, the five additional pins are placed as an extension. Micro B 3.0 is the superspeed version of Micro USB Type B. This model is mostly used to connect backup drivers and backup devices. It is designed in camper shape and has the same size as that of Micro-A. Micro B was an immediate successor of Micro-A which was also launched in the year 2007. Micro A is thinner and has a flat rectangular shape. ![]() It was launched in 2007 and was used in newer phones. In the compatibility mode (USB 1.0 or USB 2.0) communication is half-duplex, with direction controlled by the host.Micro A is an improvised version of its previous model, USB type mini. USB 3.1 is the successor standard (USB 3.1 Gen 2), was released in July 2013 with the new transfer mode SuperSpeed+ that can transfer data at up to 10 Gbit/s (1.25 GB/s, twice the rate of USB 3.0).Ĭommunication is full-duplex during SuperSpeed. ![]() USB 3.0 connectors are usually distinguished from their USB 2.0 counterparts by blue color-coding of the receptacles and plugs. USB 3.0 combines USB 2.0 bus and new SuperSpeed bus with transfer rate up to 5.0 Gbit/s, which is about ten times faster than the USB 2.0 standard. USB 3.0 is the third major version of the Universal Serial Bus (USB) standard for interfacing computers and electronic devices.
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