AirPort Time Capsule - 3TB Overview Back up a lifetime’s worth of memories with AirPort Time Capsule, a wireless hard drive that works seamlessly with Time Machine in OS X. It’s also a fully featured Wi-Fi base station with the latest 802.11ac technology and simultaneous dual-band support. Choose from 2TB and 3TB models. Automatic wireless backup. AirPort Time Capsule includes a 2TB or 3TB 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 cent model : ME182 tag : External Hard Drives