Dahua NVR 32ch 2HDD 160Mbps H265 NVR4232-4KS3

• 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. 160/128/60 Mbps incoming/recording/outgoing bandwidth
• Supports IP cameras with a resolution up to 12 MP
• AI by Recorder supports 2-channel SMD Plus
• AI by Camera supports face detection and recognition, perimeter protection, SMD Plus, people counting, stereo analysis and heat map 
• Supports EPTZ, and one-click arming and disarming

Specifications

System

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

AI

• AI by Recorder : SMD Plus
• AI by Camera : Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map

Perimeter Protection

• Perimeter Performance of AI by Camera (Number of Channels) : 6 channels

Face Detection

• Face Attributes : Gender; age group; glasses; expressions; face mask; beard
• Face Detection Performance of AI by Camera (Number of Channels) : 6 channels

Face Recognition

• Face Recognition Performance of AI by Camera (Number of Channels) : 6 channels

SMD Plus

• SMD Plus by Recorder : 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change
• SMD Plus by Camera : 6 channels

Audio and Video

• Access Channel : 32 channels
• Network Bandwidth : AI disabled: 160 Mbps incoming, 128 Mbps recording and 60 Mbps outgoing / AI enabled: 80 Mbps incoming, 80 Mbps recording and 60 Mbps outgoing
• Resolution : 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 960p; 720p; D1; CIF; QCIF
• Decoding Capability : AI disabled: 1-channel 12 MP@30 fps; 2-channel 8 MP@30 fps; 3-channel 5 MP@30 fps; 4-channel 4 MP@30 fps; 8-channel 1080p@30 fps / AI enabled: 1-channel 12 MP@30 fps; 1-channel 8 MP@30 fps; 2-channel 5 MP@30 fps; 3-channel 4 MP@30 fps; 7-channel 1080p@30 fps
• Video Output : 1 HDMI, 1 VGA / Simultaneous： HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 /Heterogeneous： HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
• Multi-screen Display : AI disabled: Main Screen: 1/4/8/9/16/25/36, Sub Screen: 1/4/8/9/16 / AI enabled: Main Screen: 1/4/8/9/16, 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
• Audio Compression : G.711a; G.711u; PCM; G726

Network

• Network Protocol : HTTP; HTTPS; TCP/IP; IPv4; IPv6; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; FTP; DDNS; SNMP; Alarm Server; P2P; Auto Registration; IP Search (Supports IP camera, DVR, NVS, etc.)
• Mobile Phone Access : iOS; Android
• Interoperability : ONVIF 22.12(Profile T; Profile S; Profile G); CGI; SDK
• Browser : Chrome; IE; Safari; Edge; Firefox

Recording Playback

• Multi-channel Playback : Up to 16 channels
• Record Mode : General, motion detection; intelligent; alarm
• Backup Method : USB device and network
• Playback Mode : Instant playback, general playback, event playback, tag playback, smart playback

Storage

• Disk Group : Yes

Alarm

• General Alarm : Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm
• Anomaly Alarm : Camera disconnection; storage error; disk full; IP conflict; MAC conflict; login locked; and cybersecurity exception
• Intelligent Alarm : Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map
• Alarm Linkage : Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email

Port

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

General

• Power Supply : 12 VDC, 4 A
• Power Consumption : Total output of NVR is <10 W(without HDD)
• Net Weight : 1.49 kg
• Gross Weight : 2.77 kg
• Product Dimensions : 375.0 mm × 282.9 mm × 53.0 mm  (W × D × H)
• Packaging Dimensions : 433.0 mm × 141.0 mm × 366.0 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
• Installation : Rack or desktop
• 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