Assalam-o-Alaikum to All Today we talk about What is the major difference between USB 2.0 and 3.0 and how can we identify it also what is the speed limits of both them
So the identification is to simple the port or USB which is looking BLUE is USB 3.0 and the port or USB which is looking BLACK is USB 2.0 so this is the basic difference from which we can identify a USB or USB port is 3.0 or 2.0. So, the next question is
Is USB 3.0 Run in USB 2.0 port or USB 2.0 run in 3.0 Port ???
So its answer is YES USB 3.0 run in 2.0 port and 2.0 USB also run in 3.0 port but a problem is that the DATA TRANSFER rate is according to Port Bandwidth.
when we run USB 2.0 in 3.0 port no speed limit change but when we run USB 3.0 in port 2.0 its speed is according to port speed .So next question is what is!
What is Speed Limits of USB 3.0 and USB 2.0 ?
USB 2.0 has maximum data transfer rate is up to 60MB/s or 480 mbits/s.
USB 3.0 has maximum data transfer rate is up to 640MB/s or 5 gbits/s.
So we see that USB 3.0 is almost 10 time faster then USB 2.0 which is a good news.
when we use USB 2.0 is Port 3.0 we get maximum data transfer speed.
when you buy a new USB you must check that is it 2.0 or 3.0 and buy according to your requirements.
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