Understanding, differences, advantages and disadvantages of USB 2.0 and 3.0

Nomessin – Every laptop/notebook or PC should always have a USB slot. But most people do not understand what USB is and do not know the differences, advantages and disadvantages between USB 2.0 and USB 3.0. But for those who are used to or work in the world of technology, the advent of USB 3.0 is already widely known, and already knows its functions and advantages.

USB 3.0 is actually the same as other USBs, it’s only advantages in the process of transferring, reading data, connecting and so on. USB 3.0 is many times faster than USB 2.0, so the benefit is that when you have a device such as a flash drive that supports USB 3.0, reading files/data on FD is faster, and data is copied, pasted and transferred also very fast.

Most people only use the USB slot without knowing how important it is to understand what USB really is and the color differences in their USB/portable laptops or computers. On this occasion, the service’s tutorial will share the knowledge on how to distinguish between USB 2.0 and 3.0, understand the advantages and disadvantages of USB 2.0 and USB 3.0 and what are their advantages and disadvantages. On a laptop, we can See the full specifications of the laptop Are you using USB 3.0 or still using USB 2.0

1 Understanding USB 2.0 and USB 3.0

Currently, laptops or PCs are equipped with a USB 3 port, and some even support USB Type C. As time continues to evolve, technology keeps updating, making people think more about how to work easily and help them with quick tools.

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USB 2.0 is the world’s second generation of USB in computers and electronic devices, formerly known as USB 1.0. USB 2.0 was released in 2000. USB 2.0 is referred to as high speed, Because the data transmission speed is also still considered standard, which can transfer data up to 480MB/s.

The difference between USB 2.0 and USB 3.0
source: wikipedia.com

While USB 3.0 is the third generation of USB currently available in both computers and electronic devices. USB 3.0 was introduced in 2008. USB 3.0 is also known as Super speed USB (SS) where it can transfer data up to 5 Gbit/s (625 MB/s).

This USB is faster in data transfer compared to USB 2.0

The difference between USB 2.0 and USB 3.0
source: wikipedia.com

2 The difference between USB 2.0 and USB 3.0

1. appearance

The first thing that differentiates USB 2.0 and USB 3.0 is the difference in shape. The difference between USB 2.0 and 3.0 in terms of shape is not much different from USB 3.0, only a slight difference in sculpting. On the bearing side, USB 2.0 has 4 connector cable lines, while USB 3.0 has 9 connector cable lines.

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2. slot color

The second difference is the distinction between the color of the bearing slot between USB 2.0 and USB 3.0. USB 2.0 has a white board slot, while USB 3.0 has a blue board slotThe difference between USB 2.0 and USB 3.0The difference between USB 2.0 and USB 3.0

3. Length of the wire

The third difference is the length of the cable used. USB 2.0 has a cable length of 5 meters while 3.0 is only 3 meters long.

4. Speed

The fourth difference is the transfer speed. USB 2.0 can transfer 480Mbit/s data, while USB 3.0 is 6-10 times faster than USB 2.0 which is 4800Mbit/s (4Gb/s) so it can read and write data directly.

5. Electrical voltage

The fifth difference is the potential difference. On USB 2.0, the voltage is 4.4V, while on USB 3.0 it is 4V. In USB 3.0, whose voltage is 4V and current increases to 150mA, it will produce electricity-saving devices, so that the USB 3.0 port can be used by 4-6 devices at a time.

6. OS support

The difference between USB 2.0 and 3.0 in terms of support or support for the operating system (OS) is that USB 2.0 only supports Windows XP, while USB 3.0 supports Windows 7 and later. USB 3.0 does not support windows xp.

7. year of release

USB 2.0 was released in 2000 while USB 3.0 was released in 2008

3 Advantages and disadvantages of USB 2.0 and USB 3.0

In general, the advantages and disadvantages of USB 2.0 and 3.0 are as follows.

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USB 2.0
Advantages of USB 2.0

  • Can read or support win 7 and Windows XP
  • USB 2.0 is readable in the USB 3.0 slot

Disadvantages of USB 2.0

  • Does not support Windows 7 and later
  • Data transfer speed is much lower than USB 3.0
  • It takes longer when transferring big data

USB 3.0
USB 3.0 Advantages

  • Can be read on windows 7 and above
  • Transfer speed 6 to 10 times USB 2.0
  • Speed ​​up data transfer at large volumes

Disadvantages of USB 3.0

  • Does not support windows XP
  • USB 3.0 not read in USB 2.0 slot
  • Not always fast, the point is that when we use a USB 2.0 device in a USB 3.0 port, it can be used but the capacity remains the same as USB 2.0

This is the tutorial Understanding, differences, advantages and disadvantages of USB 2.0 and 3.0 We hope you add to our vision.