Dahua NVR5432-16P-XI – 32 Channel WizMind AI Network Video Recorder with 16 PoE Ports (1.5U, 4 HDD Bays)
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 NVR5432-16P-XI – 32 Channel WizMind AI Network Video Recorder with 16 PoE Ports (1.5U, 4 HDD Bays)
The Dahua NVR5432-16P-XI is a flagship WizMind AI network video recorder designed for large, complex and mission-critical surveillance environments. It supports up to 32 IP camera channels and provides powerful AI processing combined with high decoding performance for enterprise-grade security systems. With support for camera resolutions up to 32MP, the NVR delivers extremely detailed video quality suitable for forensic analysis and high-security monitoring applications. It offers a maximum 512 Mbps incoming, recording, and outgoing bandwidth, ensuring smooth handling of multiple high-resolution streams simultaneously. The device integrates Dahua WizMind AI capabilities, enabling advanced intelligent video analytics such as face detection and recognition, perimeter protection, Smart Motion Detection Plus (SMD+), AcuPick intelligent search, video metadata analysis, ANPR (number plate recognition), crowd analysis, PPE detection (via cameras), heat mapping, and people counting depending on connected camera capabilities. It supports AI processing both on the recorder and on AI-enabled cameras, allowing flexible system design where analytics can be distributed for maximum efficiency. The system also supports EPTZ functionality, one-click arming/disarming, and advanced event linkage features, making it suitable for smart city and enterprise deployments.
KEY FEATURES
- 32 IP camera channels
- 16 integrated PoE ports (IEEE 802.3af/at)
- Supports up to 32MP ultra-HD cameras
- WizMind AI deep learning analytics platform
- Face detection and face recognition
- AcuPick intelligent video search
- Smart Motion Detection Plus (SMD+)
- Perimeter protection with advanced IVS rules
- Video metadata analysis (people, vehicles, non-vehicles)
- ANPR support (via compatible cameras)
- Crowd analysis, heat map, PPE detection (camera-dependent)
- Up to 512 Mbps incoming/recording/outgoing bandwidth
- Decoding capability up to 32 × 1080p @ 30fps
- Smart H.265+ compression for reduced storage usage
- 4 × SATA HDD bays (up to 20TB per HDD)
- iSCSI storage expansion support
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