









Time Machine backup requires Mac OS X Leopard v10.5.2 or later
AirPort Utility requires Mac OS X v10.4.x or later for configuration of Time Capsule
Wireless network access requires a Macintosh computer with AirPort or AirPort Extreme card
WPA2 support requires a Macintosh computer with an AirPort Extreme card
The first backup will take a long time, perhaps even lasting overnight
You can set Time Machine to exclude items in Options to save space on the Time Capsule drive
Users should set up the device as the primary base station because its 802.11N is faster than than the Express or earlier AirPort units
Portables being backed up will complete fastest if they have a good signal in the same room as the Time Capsule and are plugged into power
If a Mac is shut down or interrupted during Time Machine backup, it will just start up from where it left off next time









with a Time Capsule password uses the same password to access the shared disk as to join the wireless network
with a disk password uses a separate password for the network and disk access
with user accounts sets up the ability to add multiple users on a third tab, each with their own password and an option to limit them to read only access or to block their access without affecting the other users.

| AirPort Express | $99 | 802.11b/g | No disk sharing; USB printer and AirTunes audio sharing only. |
| AirPort Extreme | $179 | 802.11a/b/g/n | USB disk and printer sharing; disk for network storage only. |
| Time Capsule | $299 | 802.11a/b/g/n | 500 GB disk, USB disk, and printer sharing; Time Machine backups. |
| Time Capsule | $499 | 802.11a/b/g/n | 1TB (1024 GB) disk, USB disk, and printer sharing; Time Machine backups. |