Is there a difference between USB 1.0 symbol and USB 2.0 symbol?

I know USB 3 has a symbol distinct as it has 'ss' and USB 3.0 has a slight distinction in symbol from USB 3.1.. And I know that modern laptops are all just USB 3.

But I am wondering the difference in symbol between 1.0 and 2.0?

  • USB 3.0 is also known as USB 3.1 Gen 1. USB 2 is High-Speed – Ramhound Apr 29 at 11:49
  • AT Ramhound, you write "USB 3.0 is also known as USB 3.1 Gen 1" <-- That doesn't agree with this from wikipedia "USB 3.1, released in July 2013, is the successor standard that replaces the USB 3.0 standard. USB 3.1 preserves the existing SuperSpeed transfer rate, giving it the new label USB 3.1 Gen 1, while defining a new SuperSpeed+ transfer mode, called USB 3.1 Gen 2 which can transfer data at up to 10 Gbit/s over the existing" – barlop Apr 29 at 11:54
  • I indicated that USB 3.0, USB 3.1 Gen 1, and USB 3.2 Gen 1 are all the same standard. I left out USB 3.2 Gen 1 from my original statement, but your quote, says exactly what I said. Modern laptops are certainly not all USB 3. USB 2 is HighSpeed while USB 3 is SuperSpeed, USB 3.1 Gen 2 and USB 3.2 Gen 2x2 have their own speed identity – Ramhound Apr 29 at 11:58
  • AT Ramhound. I see what you mean, You're better than wikipedia there as wikipedia didn't really clearly mention that point you essentially make that I see is the case, about USB 3.0 being renamed to USB 3.1 Gen 1. – barlop Apr 29 at 12:10
  • You are aware that quote, from Wikipedia, specifically stated that fact? I already knew that USB 3.0 was (USB 3.1 Gen 1 or USB 3.2 Gen 2). – Ramhound Apr 29 at 13:19

There is no difference between the USB 1.0 and 2.0 symbol, but there is a difference between the USB 2.0 and 3.0 symbol, shown by the SS on the USB 3.0/3.1 Gen 1 symbol. The difference between the USB 3.0/3.1 Gen 1 and the USB 3.1 Gen 2 symbols are shown by the '10' hovering above the Gen 2 symbol.

If you want to distinguish between USB 1.0, 2.0 and 3.0 though, you should look at the colour of the inside of the USB port. The inside of the USB 1.0 port is a plastic white, USB 2.0 is black, and USB 3.0 is blue.

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  • help.uaudio.com/hc/en-us/articles/… "First, check the physical ports on your computer - USB 3.0 ports are sometimes (but not always) blue in color so if any of your USB ports are blue then your computer is equipped with USB 3.0. You can also check the logo above the port for the USB 3.0 SuperSpeed logo " <- note that once i've used USB 3 has been blue as you say. But apparently that isn't always the case? or perhaps wasn't always the case? – barlop Apr 29 at 12:14
  • quora.com/… "Black is typically USB 2.0 (High Speed) , but can be as low as USB 1.0" – barlop Apr 29 at 12:17
  • Good point - not all manufacturers label their USB ports or give them a distinguishable sign. – Virtuality Apr 29 at 12:17
  • You can use Device Manager if this is the case. – Virtuality Apr 29 at 12:19
  • Though my USB ports on all my computers are coloured/labelled, so I'm used to looking at the port. – Virtuality Apr 29 at 12:19

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