QNAP Security VioStor NVR (Version: 4.1.2) - Manual (Page 204)

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2. Click “NAS List” then the “Add NAS” button.
Please enter the IP, port, username, password, destination, volume and cache count
for the NAS.
Note:
Destination Folder: The folder created on the NAS to save recording files.
Obtain NAS volume details: The volume assigned for storage expansion.