Dahua NVR5464-16P-EI – 64 Channel WizSense 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 NVR5464-16P-EI – 64 Channel WizSense AI Network Video Recorder with 16 PoE Ports (1.5U, 4 HDD Bays)
The Dahua NVR5464-16P-EI is a professional-grade 64-channel network video recorder from Dahua's WizSense Series, developed for organisations requiring intelligent surveillance, reliable recording performance, and advanced AI-assisted event detection. Supporting up to 64 IP camera channels with resolutions up to 32MP, the recorder delivers exceptional image quality and scalability for commercial buildings, industrial facilities, educational campuses, logistics centres, and enterprise security installations. It provides up to 384 Mbps incoming, recording, and outgoing bandwidth, ensuring smooth operation across multiple high-resolution cameras. The integrated 16 PoE ports simplify installation by supplying both power and network connectivity directly through the recorder. Ports 1–8 support ePoE technology, enabling extended transmission distances while reducing infrastructure costs. Powered by Dahua's WizSense AI platform, the NVR supports intelligent functions including face detection and recognition, Smart Motion Detection Plus (SMD Plus), perimeter protection, video metadata analysis, AcuPick intelligent search, and ANPR through compatible AI cameras. These features significantly reduce false alarms and enable rapid retrieval of critical video events.
KEY FEATURES
- Supports up to 64 IP camera channels
- 16 integrated PoE ports with IEEE 802.3af/at support
- Ports 1–8 support ePoE technology
- Supports camera resolutions up to 32MP
- WizSense AI analytics platform
- Face detection and face recognition
- Smart Motion Detection Plus (SMD Plus)
- Perimeter protection with AI classification
- AcuPick intelligent video search
- Video metadata analysis
- ANPR support via compatible AI cameras
- Up to 384 Mbps incoming, recording and outgoing bandwidth
- Maximum decoding capability of 32 × 1080p @ 30fps
- Dual HDMI and dual VGA outputs
- HDMI resolution up to 8K
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