Nevertheless, I wanted to give it a shot and took me well because it works perfectly: both discs are well recognized and appear on the desktop. I have not tested the cloning feature because I do not have a blank disc at my disposal, but it is not the function that interested me.
I almost removed one star because it Dock nevertheless has a defect which could be troublesome for some users: it is noisy. IN fact it was the disc that generate very unpleasant vibrations. For occasional use as I see it, it does not bother me too much, but I prefer to report.
If I left the fifth star is because the seller is very serious, responding quickly to questions. More products of this brand are of good quality with a neat packaging. From home, I: The Dock, the USB3 hub, a USB 2.5 drive enclosure 3 "and 3 USB card compatible with Mac Pro