Dahua NVR5832-16P-XI/Pro – 32 Channel WizMind AI Network Video Recorder (2U, 8 HDD Bays, 16 PoE)
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 NVR5832-16P-XI/Pro – 32 Channel WizMind AI Network Video Recorder (2U, 8 HDD Bays, 16 PoE)
The Dahua NVR5832-16P-XI/Pro is a flagship 2U enterprise-grade AI network video recorder from Dahua’s WizMind XI/Pro series, built for large-scale surveillance environments such as airports, smart cities, industrial parks, transport hubs, and high-security facilities. It supports up to 32 IP camera channels and can process ultra-high-definition video streams up to 32MP resolution, making it suitable for forensic-level video monitoring and advanced security analytics. With a maximum 512 Mbps incoming/recording/outgoing bandwidth, the system efficiently handles multiple high-resolution streams simultaneously while maintaining stable performance under AI processing loads.
KEY FEATURES
- 32 IP camera channels
- 16 integrated PoE ports (IEEE 802.3af/at)
- WizMind XI/Pro AI with Xinghan large-scale models
- Supports cameras up to 32MP resolution
- Face detection and recognition
- AcuPick intelligent video search
- WizSeek smart retrieval system
- Smart Motion Detection (SMD+)
- Perimeter protection with advanced filtering
- Video metadata analysis (people, vehicles, attributes)
- ANPR support (via compatible AI cameras)
- Up to 512 Mbps bandwidth (incoming/recording/outgoing)
- Smart H.265+ compression
- 8 × SATA HDD bays (up to 20TB per drive)
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