what is the transferring speed of USB dependent on?

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what is the transferring speed of USB dependent on?

Postby hainguyen178 » Sun Mar 31, 2013 7:30 pm

please help me to answer that question! thanks
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Re: what is the transferring speed of USB dependent on?

Postby bibhakar » Thu Jun 20, 2013 3:15 am

The actual speed a USB-compliant device achieves is not necessarily the speed of the USB specification (i.e. the "USB 2.0" specification) reflected in the product descriptions and marketing materials. The device can only achieve the theoretical speeds if it can keep up with the USB data transfer rate. If you had a USB 3.0 device and a USB 3.0 port on the computer but used a USB 2.0 cord you would only pass data at USB 2.0 speed. Theoretical speed means nothing ...actual speed is everything!
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