The Reason You Should Use USB 3.0 Instead Of USB 2.0

What is USB?

USB (Universal Serial Bus) is a common connection standard in computers. USB to connect peripherals to computers such as keyboards, mice, the Internet and Tablet PCs, smartphones …

Why should you use USB 3.0?

  • Launched in 2009, USB 3.0 has marked a new era of faster and better data transfer rates, calculated 10 times faster than USB 2.0.
  • Backward compatibility: One of the advantages of USB 3.0 is its compatibility with USB 2.0. That means when you can plug in USB 3.0 to the USB 2.0 port, however, it will be limited in speed.
  • USB 2.0 cannot operate on the USB 3.0 interface but must have a dedicated USB 3.0 interface driver to use.

Comparison of USB 2.0 and USB 3.0 speeds when properly connected to the two standard interfaces:


As you can see, compared to USB 2.0, USB 3.0 is really fast. A USB 3.0 can deliver speeds up to 4800 Mb/s compared to USB 2.0 speeds of 480 Mb/s, which is 10 times faster. But are you wondering why USB 3.0 is so fast? This is because the USB 3.0 standard allows sending and transmitting data at the same speed. New wires make the USB cable really thicker than a USB 2.0 cable, but this is not significant for use on personal computers.

How to identify your computer is using the USB interface standard?

Theoretically, every time you buy an electronic device, to identify which interface to support the standard, you do the following:

  • The USB 2.0 port will have black or white pins, while USB 3.0 drives will have a blue connector. However, in fact today, in some laptops have changed this rule already. Each manufacturer has its own way of changing it.
  • Typically, the USB 3.0 interface will have the SS in front of the USB icon and USB 2.0 will not. You can check your current computer for USB 3.0 interface.
  • The USB 3.0 standard has a much faster transfer rate, but not all devices will do it. USB speed depends on many factors, such as the speed of the internal flash memory, the rotation speed of the mobile hard disk, etc., depending on the configuration of the computer used and also depends on the needs. of the user.
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Are you having a USB 2.0 or USB 3.0?

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