Dahua NVR5416-XI – 16 Channel WizMind AI Network Video Recorder (1.5U, 4HDD, Ultra Advanced Analytics)
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Dahua NVR5416-XI – 16 Channel WizMind AI Network Video Recorder (1.5U, 4HDD, Ultra Advanced Analytics)
The Dahua NVR5416-XI is a professional-grade 1.5U network video recorder from Dahua’s advanced WizMind AI series, built for large-scale and mission-critical surveillance applications requiring deep learning-based video intelligence and high-performance recording. It supports up to 16 IP camera channels and is engineered with powerful AI capabilities that significantly enhance security accuracy and forensic efficiency. The system is designed for integration with both AI-enabled cameras and NVR-based analytics, providing flexible deployment in complex security environments such as smart cities, industrial sites, transport infrastructure, and commercial complexes. The recorder supports ultra-high-definition video streams up to 32MP resolution, delivering exceptional image clarity for detailed monitoring and post-event analysis. With support for Smart H.265+ compression, it efficiently reduces bandwidth and storage consumption while maintaining high-quality video output. Equipped with powerful AI processing, the NVR5416-XI delivers advanced intelligent functions including face detection and recognition, AcuPick smart search, perimeter protection, Smart Motion Detection Plus (SMD+), video metadata analysis, ANPR (Automatic Number Plate Recognition), heat mapping, people counting, and behavioural analytics. These features enable faster incident detection and improved operational intelligence.
KEY FEATURES
- 16-channel IP camera support
- WizMind AI deep learning analytics platform
- Supports up to 32MP ultra HD cameras
- AI features: Face detection & recognition, AcuPick smart search, SMD+, ANPR, metadata analysis
- Perimeter protection with advanced false alarm reduction
- Heat map and people counting analytics
- Smart H.265+ compression for reduced bandwidth usage
- High-performance decoding for multi-channel HD playback
- Up to 512 Mbps incoming bandwidth
- Supports up to 4 SATA HDDs
- iSCSI network storage expansion support
- ONVIF compatibility for third-party cameras
- Remote viewing via mobile app (iOS & Android)
- Enterprise-grade AI processing and stability
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