QNAP Security VioStor NVR (Version: 4.1.2) User Manual
Page 205

205
Backup buffer: The time it takes to move recording files to the NAS. The maximum
value is 12.
3.
Edit: Modify NAS settings on this page.
4.
Click “Storage Expansion Assignment” to choose a NAS as the storage unit for each
channel.
5.
Review all the configured settings and recording storage details under “Overview”.