Difference between USB 2.0 and USB 3.0

USB  is most innovated ideas which causes revolution in field of computers,currently USB 2.0 is used in most of the computers which leads to a very high data transfer as compared to the older ones but now USB 3.0 is launched , next generation USB. USB 3.0 much faster and safe as compared to USB 2.0

New USB 3.0 products are 10 times  faster than USB 2.0 means data transfer speed upto 5 GB/ sec

Faster power transfer (900 mA) in USB 3.0 as compared to USB 2.0 (just 500 mA) means increase in speed of scanning by USB scanner and other equipments.
It also means that LAN connection will be replaced by USB 3.0 as it is much faster than LAN.
But if you want actual speed of USB 3.0 than you have to use both USB 3.0 equipment  and USB 3.0 ports, as in USB 2.0 ports, the speed of USB 3.0 equipments decreases and it will be same as USB 2.0 equipments or  you can use the USB card adaptors as shown above.
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