I bought two for more details announced mac-compatible PC In fact when I received them, the start format allowing playback on a mac but m`pas writing which is annoying when you want to use it as a hard drive for mac ... So I wanted to format it to Mac Journaled but impossible? It accepts that the MSDOS I is not the format I wanted. I am disappointed by this. More and a week of use it has happened that the disc does not appear on the desktop so I am afraid for the life ...