USB Copy Technical Specifications

Tasks can be created to automatically copy files and folders from Synology NAS to attached USB/SD storage devices or vice versa
Multiple copying and file organizing strategies to provide efficient storage usage and easy backup
Customized configurations to ensure smooth data exchange

USB/SD storage devices implemented with file systems recognized by Synology NAS are allowed to copy data (See this article for more information on external devices)
Copy task types include Photo/Video Import, Data Import, or Data Export
Multiple methods to initiate data transfer:
- Hot-plugging a USB/SD device
- Pushing the hardware Copy button
- Enabling a schedule
Flexible copy modes include:
- Incremental
- Mirroring
- Multi-versioned
Advanced options are available when the incremental copy mode is selected:
- Remove original file structure in the destination folder
- File conflict policy
- Delete source files after copy completes
Rotation policy options are available when the multi-versioned copy mode is selected:
- Rotate from the earliest version
- Smart Recycle
- Number of versions (Maximum number of versions to keep spans from 1 to 65535)
Ejects the USB/SD storage device safely and automatically when all related tasks are complete
File filters to exclude unwanted file types (music, video, image, document) and file extensions from copy tasks
Logs:
- Detailed information on each copy task
- Filter to facilitate searches for logs meeting specified criteria or keywords
- Maximum number of log spanning from 5 to 100000
Beep reminders can be configured for tasks that are starting or completed
Tasks can be set up for the hardware Copy button

A partition on a USB device can only support one copy task
Only one folder can be selected for each copy task
Ejected USB/SD storage devices have to be re-mounted before new tasks can be created
Can only be accessed by admin or users belonging to the administrators group
Only certain models support the hardware Copy button and certain limitations apply (Please refer to this article for more information)