This has been asked before and to be honest with you the majority of USB cables will run at USB 2.0 speeds regardless of whether the packaging says USB or USB 2.0. I believe the difference is the quality of the cable. If it says USB 2.0 then it should be a better quality cable made to USB 2.0 standards which are higher than USB 1.1 but having said that the USB 1.1 cable will probably do as well. You could try it with your old cable first, thats what I'd do.
When I was employed as a buyer I asked a manufacturer what the difference in specification was between a USB 1 and 2 cable, they didn't know. So I asked the people at USB, they didn't have any specific standards for USB 1 & 2 cables either. I've used USB cables for 69p and the best part of £15 (no I didn't buy it) and never detected so much as an iota of difference.
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