What is USB 3.1?

Surely we have heard many times the phrases USB 3.0, USB 3.1, USB 3.1 Gen 1, USB 3.1 Gen 2. So what is USB 3.1? What are the advantages over USB 3.0 and what is the difference between USB 3.1 Gen 1 and Gen 2? We will find out together below.

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What is USB 3.0?

To put it simply, USB 3.0 is a connection standard that helps you transfer data (usually used to connect to a laptop) with a theoretical speed of up to 5GB/s, but the actual maximum is only about 300Mb/s . So in the best conditions, a 1 GB data file only takes about 4 seconds to transmit.

What is USB 3.1 Gen 1?

USB 3.1 Gen 1 is another name for USB 3.0 after being renamed by the USB standards-setting organization (USB-IF), but there is no change to the specifications. It will still take you about 4 seconds to complete a 1GB file transfer (best condition) 10 times faster than the previous generation USB 2.0 when it only supports a maximum actual speed of about 35/40 MB/s . (about 40 seconds/ 1 GB file).

What is USB 3.1 Gen 2?

As a powerful upgrade of USB 3.1 Gen 1 – USB 3.1 Gen 2 has theoretical speeds that this port supports up to 10GB/s, still like previous generations this number does not reflect the true standby time , in fact the best speed that this port supports is still at 1.2GB/s (ie, it takes you less than 1 second to finish downloading a 1GB file).

I have summarized the information in the image below, you can see more for better understanding.

1. USB 3.1 Gen 1 and USB 3.1 Gen 2 . logo comparison

2. Compare USB generations

Hopefully my short article will help you better understand the USB 3.1 connection standard, if you need more information, you can leave a comment below so I can answer it with you. Love.