


DHI‑NVR4232-16P-4KS3
- Supports Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG decoding formats.
- Max. decoding capability: 8 × 1080p@30 fps or 2 × 8 MP@30 fps.
- Max. 160/160/80 Mbps incoming/recording/outgoing bandwidth.
- Supports IP cameras with a resolution up to 12 MP.
- AI by Recorder supports 4-channel SMD Plus.
About the DHI‑NVR4232-16P-4KS3
Professional CCTV Solution for Large Homes & Businesses! Take your surveillance to the next level with the Dahua 32-channel NVR. With 16 PoE ports, dual HDD support, smart recording, and mobile access, it’s ideal for medium to large installations. Key Features:
The Dahua DHI‑NVR4232-16P-4KS3 is a 32-channel network video recorder featuring 16 PoE ports, so your IP cameras can be powered directly without extra switches. It supports up to 2 HDDs, smart AI detection, alarm notifications, and remote access via the Dahua Mobile App.
Smart H.265+ compression ensures long recording times without sacrificing video quality. The system also includes Smart Motion Detection (SMD) for intelligent alerts, reducing false alarms and keeping your property safe.
📊 Specifications
📌 Channels & PoE
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32 IP camera channels
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16 PoE ports (IEEE 802.3af/at, max 25.5 W per port)
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Supports camera resolutions up to 12 MP
📌 Storage
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2 × SATA HDD bays (up to 20 TB each)
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Backup via USB or network
📌 Video & Compression
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Smart H.265+, H.265, H.264, MJPEG
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HDMI & VGA output, up to 4K resolution
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Multi-channel playback: 1/4/8/9/16/32 layouts
📌 Smart Features
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Smart Motion Detection (SMD)
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AI alarm notifications (face, perimeter, people counting with compatible cameras)
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Remote monitoring via Dahua Mobile App (iOS & Android)
📌 Network & Connectivity
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1 × RJ‑45 1 GbE management port
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16 PoE ports for cameras
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Audio in/out, 2 × USB 2.0
📌 Physical
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1U rackmount design
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Power: 12 V DC
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Dimensions: ~451 ×147 ×425mm
Specifications
| Brand | Dahua |
|---|---|
| Processor | Industrial-grade |
| OS | Embedded Linux |
| Interface | Web & Local GUI |
| AI by Recorder | SMD Plus (2 channels for human & vehicle) |
| AI by Camera | Face detection & recognition, perimeter protection, SMD Plus, people counting, stereo analysis, heat map |
| Face Detection/Recognition | Up to 6 channels, 6 targets/sec |
| Perimeter Protection | 6 channels |
| SMD by Camera | All channels, 12 targets/sec |
| Access Channels | 32 |
| Resolutions | 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, 960p, D1, CIF, QCIF |
| Decoding | AI disabled: up to 1 × 12 MP@30fps, 8 × 1080p@30fps; AI enabled: reduced channels for high-res streams |
| Compression | Smart H.265+, H.265, Smart H.264+, H.264 |
| Audio | 1 × RCA input, 1 × RCA output, G.711a/u, PCM, G726 |
| HDMI | Up to 3840×2160 (4K) |
| VGA | Up to 1920×1080 |
| Multi-screen Display | 1/4/8/9/16 main, sub screens adjustable |
| Playback | Up to 16 channels simultaneously |
| Record Modes | General, motion, intelligent, alarm |
| Backup | USB & network |
| Smart Playback | Instant, event, tag playback |
| Disk Interface | 2 × SATA (up to 20 TB each) |
| Disk Groups | Supported |
| Network Port | 1 × RJ-45 10/100/1000 Mbps |
| PoE Ports | 16 × 10/100 Mbps, 25.5W max per port, 130W total |
| Remote Access | iOS/Android DMSS, web browser |
| Third-party Cameras | ONVIF, Panasonic, Sony, Axis, Arecont, Pelco, Canon, Hanwha |
| General | Motion, privacy mask, video loss, PIR, IPC external alarm |
| Intelligent | Face detection & recognition, perimeter protection, SMD Plus, people counting, stereo analysis, heat map |
| Alarm Linkage | Record, snapshot, external alarm, audio, buzzer, log, preset, email |
| Power Supply | 100–240 VAC, 50/60 Hz |
| NVR Power | <10W (without HDD) |
| PoE Total Power | 130W |
| Weight | 2.6 kg (net), 3.8 kg (gross) |
| Dimensions | 375 × 327.9 × 53 mm (W×D×H) |
| Operating Temp | –10°C to 55°C |
| Storage Temp | –20°C to 60°C |
| Humidity | 10–93% RH non-condensing |
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