As Djohn says a USB2 item will connect and work with USB1. I have a USB2 scanner and I have attached it to a computer with USB2 after using it satisfactorily on a computer with USB1. I honestly haven't noticed any difference in speed of reading or transfering from the scanner between USB1 & USB2
As a little further info. to the above. USB 1.1 will transfer data at 12 MBPS and USB 2.0 at 412 MBPS [Approximate speed] So yes, there is a vast difference in the speed of transfer, but the hardware we are using at the moment, EG: scanners/Printers/cameras cannot reach anywhere near the speed of USB 1.1.
This will apply especially to scanners/printers whose actual performance will be governed by their own engines, and these are much slower than USB 1.1 I think I've grasped this correctly, but others will confirm or correct. Regards. j.
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