Dahua NVR 32ch 4HDD 448Mbps H265 N520432-FI2

• Supports Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG decoding formats
• Max. decoding capability: 40 × 1080p@30 fps or 10 × 8MP@30 fps
• Max. 448/448/448 Mbps incoming/recording/outgoing bandwidth
• Supports IP cameras with a resolution up to 32 MP
• Supports 8K HDMI output
• Supports iSCSI
• AI by Recorder supports 4-channel face detection and recognition, up to 20 face databases and 30,000 face images; 4-channel video metadata; 8-channel perimeter protection; 16-channel SMD Plus; 4-channel AcuPick
• AI by Camera supports face detection and recognition, perimeter protection, SMD, metadata, AcuPick, ANPR, stereo analysis, heat map, people counting, PPE detection, smart object detection and smart sound detection
• Supports EPTZ, and one-click arming and disarming

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System

• Main Processor : Industrial-grade processor
• Operating System : Embedded Linux
• Operating Interface : Web / Local GUI

AI

• AI by Recorder : Face detection / face recognition / video metadata (human, motor vehicles, and non-motor vehicles) / perimeter protection / SMD Plus / AcuPick
• AI by Camera : Face detection / face recognition / video metadata (human, motor vehicles, and non-motor vehicles) / perimeter protection / SMD / stereo analysis / crowd distribution / people counting / ANPR / vehicle density / heat map / PPE detection / smart object detection / smart sound detection / AcuPick
• AcuPick Performance of AI by Recorder (1080P) (Number of Channels) : 4 channels
• AcuPick Performance of AI by Camera (1080P) (Number of Channels) : Max. 32-channel / 1 combined event per channel/s

Perimeter Protection

• Perimeter Performance AI by Recorder (Number of Channels) : 8 channels / 10 IVS rules for each channel
• Perimeter Performance of AI by Camera (Number of Channels) : All channels (32 targets/s)

Face Detection

• Face Attributes : Gender / age group / glasses / expressions / face mask / beard
• Face Detection Performance of AI by Recorder (Number of Channels) : 4 channels (up to 12 face images/s each channel)
• Face Detection Performance of AI by Camera (Number of Channels) : All channels (32 targets/s)

Face Recognition

• Face Database Capacity : Up to 20 face databases with 30,000 images / with a total capacity of 3.75 GB. Name / gender / birthday, address / credential type / credential No. / countries & regions and state can be added to each face image
• Face Recognition Performance of AI by Recorder (Number of Channels) : 1. 24-channel FD (by camera) + FR (by recorder) / image stream: 24 face images/s
• 2. 4-channe FD (by recorder) + FR (by recorder) / video stream: 24 face images/s
• Face Recognition Performance of AI by Camera (Number of Channels) : All channels (32 targets/s)

SMD

• SMD Plus by Recorder : 16 channels: Secondary filtering for human and motor vehicle / reducing false alarms caused by leaves / rain and lighting condition change
• SMD by Camera : All channels (64 targets/s)

Video Metadata

• Metadata Performance of AI by Recorder (Number of Channels) : 4 channels / 22 attributes extraction
• Metadata Performance of AI by Camera (Number of Channels) : All channels (16 targets/s)
• People Attributes : Top color / top type / bottom color / bottom type / hat / bag / age / gender and umbrella
• Motor Vehicle Attributes : License plate / plate color / vehicle body / vehicle model / vehicle logo / calling, seatbelt / vehicle interior / vehicle registration location
• Non-motor Vehicle Attributes : Vehicle model / vehicle color / number of persons / helmet

Vehicle License Plate Comparison

• ANPR by Camera (Number of Channels) : All channels (8 targets/s)
• License Plate Database Capacity : 1. Create up to 20,000 plate numbers /
• 2. Blocklist and allowlist

Audio and Video

• Access Channel : 32 channels
• Network Bandwidth : AI disabled: 448 Mbps incoming / 448 Mbps recording and 448 Mbps outgoing / AI enabled: 200 Mbps incoming, 200 Mbps recording and 200 Mbps outgoing
• Resolution : 32 MP / 24 MP / 16 MP / 12 MP / 8 MP / 6 MP / 5 MP / 4 MP / 3 MP / 1080p / 720p / 960p / D1 / CIF / QCIF
• Decoding Capability : AI disabled: 2-channel 32 MP@25 fps / 2-channel 24 MP@25 fps / 5-channel 16 MP@30 fps / 6-channel 12 MP@30 fps / 10-channel 8 MP@30 fps / 13-channel 6 MP@30 fps / 16-channel 5 MP@30 fps / 20-channel 4 MP@30 fps / 32-channel 1080p@30 fps – AI enabled: 1-channel 32 MP@25 fps / 2-channel 24 MP@25 fps / 4-channel 16 MP@30 fps / 5-channel 12 MP@30 fps / 8-channel 8 MP@30 fps / 10-channel 6 MP@30 fps / 12-channel 5 MP@30 fps / 16-channel 4 MP@30 fps / 32-channel 1080p@30 fps
• Video Output : 2 VGA / 2 HDMI – VGA: 1920 × 1080 / 1280 × 1024 / 1280 × 720 – HDMI: 7680×4320 / 3840 × 2160 / 1920 × 1080 / 1280 × 1024 / 1280 × 720 – Heterogeneous video source output for HDMI1 and HDMI2 / Simultaneous video source output for VGA1 and HDMI1 / Simultaneous video source output for VGA2 and HDMI2
• Multi-screen Display : Main Screen: 1/4/8/9/16/25/36 / Sub Screen: 1/4/8/9/16
• Third-party Camera Access : ONVIF / Panasonic / Sony / Axis / Arecont / Pelco / Canon / Hanwha

Compression Standard

• Video Compression : Smart H.265+ / H.265 / Smart H.264+ / H.264 / MJPEG
• Audio Compression : G.711a / G.711u / PCM / G726

Network

• Network Protocol : HTTP / HTTPS / TCP/IP / IPv4 / IPv6 / UDP / NTP / FTP / SFTP / DHCP / DNS / SMTP / UPnP / DDNS / SNMP / Alarm Server / IP Search (Supports IP camera, DVR, NVS, etc.) / Multicast / P2P / Auto Registration / iSCSI
• Mobile Phone Access : iOS / Android
• Interoperability : ONVIF 24.12(Profile T / Profile S / Profile G / Profile M) / CGI / SDK
• Browser : Chrome / IE / Safari / Edge / Firefox
• Network Mode : Multi-address / load balance / fault tolerance / link aggregation

Recording Playback

• Multi-channel Playback : Up to 16 channels
• Record Mode : General / motion detection / intelligent / alarm / POS
• Backup Method : USB device and network
• Playback Mode : Instant playback / general playback / event playback / target Video / video clip / tag playback / smart playback (face and motion detection)

Storage

• Disk Group : Yes

Alarm

• General Alarm : Motion detection / local alarm / alarm box / camera external alarm / network alarm / scene changing / PIR alarm / thermal alarm
• Anomaly Alarm : Camera offline / storage error / disk full / IP conflict / MAC conflict / login lock / abnormal behavior of fan / cybersecurity exception
• Intelligent Alarm : Face detection / perimeter protection / face recognition / video metadata (human / motor vehicles and non-motor vehicles) / SMD Plus / stereo analysis / crowd distribution / people counting / ANPR / vehicle density / heat map / PPE detection / smart object detection / smart sound detection
• Alarm Linkage : Record / snapshot (panoramic) / local alarm output / IPC external alarm output / audio / buzzer / log / preset / email

Port

• Audio Input : 1-channel RCA
• Audio Output : 2-channel RCA
• Alarm Input : 16 channels
• Alarm Output : 6 channels (1-channel 12 V 1 A output）
• Disk Interface : 4 SATA ports / each disk can contain up to 20TB. This limit varies depending on the environment temperature.
• eSATA : 1
• RS-232 : 1
• RS-485 : 1
• USB : 3 (1 front USB 2.0 port / 2 rear USB 3.0 port)
• HDMI : 2
• VGA : 2
• Network Port : 2 (10/100/1000 Mbps Ethernet port / RJ-45)

General

• Power Supply : 100–240 VAC / 50/60 Hz
• Power Consumption : Total output of NVR is ≤ 13 W (without HDD)
• Net Weight : 4.27 kg
• Gross Weight : 6.30 kg
• Product Dimensions : 440.0 mm × 415.6 mm × 76.0 mm (W × D × H)
• Packaging Dimensions : 529.0 mm × 499.0 mm × 211.0 mm (W × D × H)
• Operating Temperature : –10 °C to +55 °C
• Storage Temperature : –20 °C to +60 °C
• Operating Humidity : 10%–93% (RH) / non-condensing
• Certifications : CE-EMC: EN 55032:2015+A1:2020 / EN IEC 61000-3-2:2019+A1:2021 / EN 61000-3-3:2013+A1:2019+A2:2021 / EN 55035:2017+A11:2020 / EN 50130-4:2011+A1:2014
• CE-LVD: EN 62368-1:2014

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