Synchronize! Pro X is a professional-strength file synchronization and backup utility for Mac OS X

Features:

Bootable OS X backups
Synchronize! Pro X backs up your OS X startup disk to another hard disk, so that the backup disk is bootable. Make a copy of your system so that you can start up any Macintosh from the backup, or move your current OS X system from one computer to another - even to a different model Macintosh.

Speed
On Mac OS X 10.5 (Leopard) and later, Synchronize! Pro X scans folders as much as 10 times faster. New technology makes it possible to reduce the 10 minutes or more for a bootable backup scan to a typical time of under 1 minute.

Works on XServe
Synchronize! Pro X is compatible with OS X Server, XServe, and Xsan.

Real-time syncs
Synchronize! Pro X watches for folder changes and copies files when changes occur. Available on Mac OS X 10.5 (Leopard) and later.

Archive old files
Keep old files in an archive, so that you can go back to them if you need to. Archived files can be grouped for convenient burning to CD. As the archive fills up, the oldest files in the archive are automatically removed to make space for newer files.

Quickly update your backup
Subsequent backups copy only the files that have changed, instead of copying all your files over again, so that updating the backup is much faster.

Schedule your backup
Run your backup automatically at a convenient time, when you're not using your computer.

What's the difference between this and the Plus version? Synchronize! X Plus is intended for synchronizing and backing up personal data on Mac OS X. Synchronize! Pro X is for backing up an entire Mac OS X system, so that the backup is bootable. Synchronize! Pro X has a number of additional features. For more information, see author's feature comparison chart.

This software requires a current license or a one-week demo serial number.

Requirements:
OS X 10.4+
Universal Binary