With the airport time capsule, backing up your mac couldn't be simpler. It Works with time Machine in OS X to automatically and wirelessly back up your data to its 2 TB hard drive, so you never have to worry about losing anything important. And the airport time capsule doubles as a Wi-Fi base station with next-generation 802.11AC technology, for speeds up to 3x faster than the previous 802.11N standard. time Capsule - 2TB airport time capsule includes a 2TB hard drive that Works with time Machine in OS X to create the perfect no-hassle backup solution.1 there are no cables, and you can back up all the Mac computers in your home to a central location - automatically, wirelessly, and in the background. ultrafast 802.11AC Wi-Fi. easy setup for iOS and os X.