The XVR5216A-I3 is the 16-channel mid-range professional DVR in the Dahua WizSense series, providing the highest channel count in the XVR5 single-unit range. Two HDD bays are a significant practical upgrade over the single-bay XVR5104HS (4-channel) and XVR5108HE (8-channel): dual bays allow a substantially larger combined storage capacity for longer recording periods at 16-camera resolution, or the option to configure the second drive as a mirrored backup of the first for recording data redundancy.
5M-N (5 megapixel Lite) is Dahua’s designation for a 5MP recording mode that applies a slight frame rate or compression optimisation to maintain practical recording across all 16 channels simultaneously, compared to full 5MP at 30fps on every channel which would require very high processing and storage. At 5M-N, the practical image quality across all channels remains high while allowing 16-channel real-time recording within the DVR’s processing capacity.
WizSense I3 AI provides human and vehicle detection consistent across the XVR5 range: the same detection tier as the 4-channel XVR5104HS-I3, scaled to 16 analogue channels.
For CCTV installers specifying the main-range 16-channel WizSense DVR for larger commercial and multi-zone analogue camera systems across London and the UK, the XVR5216A-I3 provides the professional 16-channel specification with dual HDD capacity and full WizSense AI.
Key Features
- 16-channel Penta-brid WizSense DVR: HDCVI, AHD, TVI, CVBS, and IP
- Two HDD bays: higher combined storage or recording redundancy option
- I3 WizSense AI: human and vehicle detection on analogue channels
- 5M-N recording: optimised 5MP across all 16 channels for practical real-time recording
- Main-range 16-channel: professional specification with AI vs budget EZ-IP 16ch XVRs
- No hard drive included: specify two surveillance HDDs for maximum capacity

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