4 months after purchase, without heavy use (creation backups for the moment), the disc simply grid; more recognized by any PC in the house. I'm not the only one who has arrived this misadventure he seems. Stay away ... Correction: it seems that the heater disk and put in safety; Seagate party service ...
Additional info: Seagate me back SAV exchanged the disk (new reference). Very fast and efficient customer service.