Connecting Multiple Drives
Monument has 2 USB ports for external hard drives. The first hard drive connected becomes the primary drive for backing up photos and videos and the second hard drive connected becomes the backup drive which is an exact copy of the primary. Creating multiple backups is a great idea in case a single hard drives fails in the future.
Note: The second hard drive cannot be used to extend the capacity of
the primary drive. It can be used to create a backup of the primary
Suggested Article: Creating Second Backup