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How is USB 3.0 different from USB 2.0? 澳门金沙网上赌场

USB 3.0 features a number of features not seen in USB 2.0. The most important of these is the "SuperSpeed" bus--two additional pairs of wire which allow for significantly faster transfers than before, with full duplex transfers. These additional connections require a different, larger form factor for USB 3.0 plugs. USB 3.0 also improves on the power-management capabilities of USB 2.0, offering advanced efficiency features, as well as the ability to provide more power to USB 3.0 devices. About the only drawback to USB 3.0 is that the maximum cable length for high speed transmission is likely to drop to around 10 feet, from 15 feet with USB 2.0.


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