Originally Posted by HarryT
A microUSB cable is a microUSB cable; they are not designed to be "slow" or "fast". I have half a dozen such cables which come from a variety of sources, and they are all totally interchangeable. Sounds to me as if you've a problem elsewhere. Cables are extremely unlikely to corrupt data.
I've had this issue on multiple computers. And yes, there are differences in the cables. Try using a Kindle one to connect an external drive to a computer and you'll see it won't work because there's not enough power going through the cable even though they look the same and fit.