OrNjMaN Posted May 21, 2016 Report Share Posted May 21, 2016 I just purchased a a ST0014U-C Duet 3.0usb it is being used on a Mac Pro that is only 2.0usb. I assumed that it would still read but be much slower than 3.0. I have tried several hard drives and none of them popup anywhere, not even in Disk Utility. Am I SOL without a 3.0 pci card? Thanks for the help!! Quote Link to comment Share on other sites More sharing options...
Don Posted October 4, 2016 Report Share Posted October 4, 2016 Technically USB 3.0 is backwards compatible. So if they met all of there specs it should be as well. The question is did they or not? Could be your unit is DOA. You should replace it under warranty. Quote Link to comment Share on other sites More sharing options...
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