Cons: But actually you need one. The one I have stopped working after a while. The power from the firewire port both on MAC and PC was not enough to spin the disk. So the computers were able to access the firmware and get the info on the disk (It actually shows
Cons: rarely works. this is the second time i've had problems with one of these drives. custoomer svc is a joke, and never answers the phone. and now the disk won't mount for the 3rd time, and any time it does mount, i have to reformat it.