Is beautifully afloat, very quiet, therefore two star. But this great encryption system rarely works. If it can be decrypted with the RFID chip at all. Then again, power off, unplug, plug off again and the whole game - if you're unlucky - several times. Whether on Windows or Mac (Linux, I use private not).
Clear "I would not buy again" recommendation on my part. For this price I really expected more. Still I did not send it back as long as I can still access my data. Should this not be the case, the thing goes back immediately. As I had read on the Internet more of these feedbacks, I wanted to convince me first himself. Said and done.