It's fully Mac-formatted, and Time Machine wants to gobble it up as soon as it's detected.Īnd make no mistake, 500GB is a major upgrade if you're starting life with a 120GB MacBook (standard on the MacBook Air) or an 80GB Mac Mini. As for the new drive, the little silver My Passport Studio is completely awesome just for what it is: a tiny (0.7 by 5 by 3.2 inches and only 0.4 pounds) 500GB module that you plug into your Mac, sit back and watch as the drive icon pops up on the screen.