Synology NAS devices can also become damaged, leading to data loss and theft.
Besides, you cant put your Synology NAS in a laptop bag and take it with you.
Furthermore, you cannot use it without an Internet connection.
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Thus, you had better back up Synology NAS to the external drive.
Can Synology NAS Be Used with External Hard Drives?
Synology NAS devices can work with external hard drives.

In addition to enhancing the storage capacity of your NAS, they can also serve as backup targets.
Connect the external hard drive to your machine or the NASs USB port.
- get in to your Synology NASs web interface.

Go toControl Panel>Hyper Backup.
ClickCreateto start a new backup task.
Choose Synology NAS as the backup destination.
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go for the external hard drive as the backup location.
choose the files and folders that you want to back up.
How to do the Synology backup?
How to backup computer to Synology NAS?
How to back up Synology NAS to a different destination?
Here are the methods.
There is a piece ofWindows backup software MiniTool ShadowMaker for you to do that.
It is also a clone tool that canmove Windows to another drivewithout data loss.
Now, lets see how to back up the external drive to Synology NAS.
before you get going the following steps, hey connect your external hard drive to the PC.
Download and install MiniTool ShadowMaker.
Then, clickKeep Trial.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
2.
Then click theSOURCEmodule to choose the backup source.
ChooseDisk and Partitionsand check the partitions you want to back up and clickOK.
Now, go to theSharedtab.
pop in the IP address of the Synology NAS, user name, and password.
ClickBack Up Nowto start the process.
Many users wonder how to perform the Buffalo NAS backup to protect the data in their Buffalo NAS devices.
This guide provides details.
Final Words
How to copy files from Synology NAS to an external hard drive?
How to back up the external drive to Synology NAS?
This post introduces provides full steps.