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Hi Ian,
I hope this may help ?
Info via a quick Google search, but I never go over five metres when using a non powered USB cable,
they just fail for me after that length, so its not a matter of choice, its a matter of fact !
I have a mate that uses powered USB cables.....I guess he still hasn't got his heard around Stellamate ?
Maximum Lengths:
According to USB.org, USB operating specifications limit the maximum length of the cable to 5 meters for
full speed devices and 3 meters for any low speed devices. 5 meters is around 16 feet 5 inches,
and 3 meters is around 9 feet 10 inches.
Powered cables:
You can use extension cables and self-powered USB hubs connected together to extend the range of your USB device.
However, it is important to remember when using 2.0 hubs and cables that the distance between each powered hub
can be no more than 5 meters (16 feet and 5 inches).
What is the longest USB extension cable?:
If you are using a regular cable (max length of 5 meters for 2.0 and max length of 3 meters for 3.0/3.1) with an active cable, then the maximum length for USB 2.0 is 25 meters (about 82 feet) and the maximum recommended length for USB 3.0/3.1 is 15 meters (about 49 feet).
Paul.
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