Most of the new computers come with USB 3.0 ports these days. But how can you know if your computer has USB 3.0 port or not? In this quick tip, we shall see how to find if your system has USB 3 or USB 2 in Linux.
Check if you have USB 3.0 in Linux terminal
Open a terminal and use the following command:
This command displays information about USB buses in your system. Check the result, if you have something like “3.0 root hub”, it means your system has USB 3.0. For example, for my new notebook, it shows:
The quick tip will work on all Linux systems such as Ubuntu, Linux Mint, Fedora etc. Now when you know that you have USB 3.0 port, how can you identify which port is USB 3.0 and which is USB 2.
Identify which port is USB 3.0
Usually USB 3.0 ports are tagged as SS (abbreviation for Super Speed). If your system manufacturer has not tagged it as SS or USB 3, you can check the interior of the port which should normally be of blue color.
I hope this quick post helped you to find if your system has USB 3.0 or not and then to identify the USB 3.0 port. In related post, you can read how to find if you have 32 bit or 64 bit OS in Ubuntu. Any questions or suggestions are always welcomed.