Dahua NVR4232-16P-EI 32-Channel 1U 16PoE 2HDDs WizSense Network Video Recorder (DHI-NVR4232-16P-EI)

The Dahua NVR4232-16P-EI is a 32-channel 1U network video recorder with 16 PoE ports and dual HDD support, designed for large-scale surveillance systems requiring AI-powered intelligence. Built on an industrial-grade processor and embedded Linux, this NVR offers Smart H.265+ compression, high-resolution support up to 16MP, and advanced AI capabilities including face detection and recognition, perimeter protection, people counting, stereo analysis, and SMD Plus. With 32-channel access, flexible multi-screen display, extensive storage capacity, and robust alarm management, it provides a complete solution for professional security monitoring.

Product Features

High-Channel Capacity

Supports up to 32 IP cameras, accommodating complex and large-scale surveillance networks.

AI-Powered Intelligence

Includes AI by Recorder for face detection/recognition, perimeter protection, and SMD Plus, and AI by Camera for face detection/recognition, perimeter protection, SMD, ANPR, people counting, stereo analysis, and heat map functionality.

Advanced PoE Support

Features 16 PoE ports (IEEE 802.3af/at) with total output power of 130W, delivering both power and data over a single cable. Maximum output per port is 25.5W.

High-Resolution Recording

Supports IP cameras up to 16MP, with maximum decoding of 16×1080p@30fps or 4×8MP@30fps for smooth, high-quality video playback.

Extensive Storage Options

Two SATA ports supporting HDDs up to 20TB each, allowing for long-term recording and archival of large datasets.

Smart Video Compression

Supports Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG for optimized bandwidth and storage without compromising video quality.

Multi-Channel Playback and Backup

Offers up to 16-channel simultaneous playback, multiple record modes, and backup options via USB or network.

Wide Compatibility and Connectivity

ONVIF-compliant with major third-party cameras including Panasonic, Sony, Hanwha, Axis, Pelco, Arecont, and Canon. Provides HDMI and VGA outputs, audio I/O, alarm I/O, RS-232, USB interfaces, and a network port (10/100/1000 Mbps).

Reliable and Robust Design

Supports operating temperatures from –10 °C to +55 °C, storage temperatures up to 60 °C, and humidity tolerance of 10%–93% RH. Certified for FCC and CE standards.

Product Specifications

• Main Processor: Industrial-grade processor
• Operating System: Embedded Linux
• Operating Interface: Web, Local GUI
• AI by Recorder: Face detection, face recognition, perimeter protection, SMD Plus
• AI by Camera: Face detection, face recognition, perimeter protection, SMD, ANPR, people counting, stereo analysis, heat map
• Perimeter Protection: 2 channels (Recorder), All channels (Camera)
• Face Detection Channels: 1 channel (Recorder), All channels (Camera)
• Face Recognition Channels: 8-channel FD (Camera + Recorder), 1-channel FD (Recorder)
• Face Database Capacity: 10 databases, 20,000 face images, 2.5GB total
• SMD Plus Channels: 4 (Recorder), all channels (Camera)
• Access Channels: 32
• Network Bandwidth: AI disabled: 256 Mbps incoming/recording/outgoing; AI enabled: 180 Mbps incoming/recording/outgoing
• Supported Resolutions: 16MP, 12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080p, 720p, 960p, D1, CIF
• Decoding Capability: AI disabled: 16-channel 1080p@30fps; AI enabled: 12-channel 1080p@30fps; other channel decoding as per resolution
• Video Output: 1 HDMI, 1 VGA (HDMI up to 3840×2160, VGA up to 1920×1080)
• Multi-Screen Display: 1st Screen: 1/4/8/9/16/25/36; 2nd Screen: 1/4/8/9/16
• Third-Party Camera Access: Panasonic, Sony, Hanwha, Axis, Pelco, Arecont, ONVIF, Canon
• Video Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• Audio Compression: G.711a, G.711u, PCM, G726
• Network Protocols: HTTP, HTTPS, TCP/IP, IPv4, IPv6, RTSP, UPnP, SNMP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search, P2P, Auto Registration
• Mobile Access: iOS, Android
• Interoperability: ONVIF 23.12(Profile T/S/G), CGI, SDK
• Multi-Channel Playback: Up to 16 channels
• Record Modes: General, motion detection, intelligent, alarm
• Backup Methods: USB device, network
• Playback Modes: Instant, general, event, tag, smart
• Alarm Inputs/Outputs: 4 alarm inputs, 2 alarm outputs
• Audio Input/Output: 1 RCA input, 1 RCA output
• Disk Interface: 2 SATA ports, up to 20TB each
• RS-232: 1
• USB: 2 (1 front, 1 rear)
• HDMI: 1, VGA: 1
• Network Port: 1×RJ-45 (10/100/1000 Mbps)
• PoE Ports: 16×10/100 Mbps, IEEE 802.3af/at
• Power Supply: 100–240 VAC, 47–63 Hz
• Power Consumption: <10W (without HDD), PoE total 130W, max 25.5W per port
• Net Weight: 2.60 kg (5.73 lb)
• Gross Weight: 3.80 kg (8.38 lb)
• Product Dimensions: 375 × 329.3 × 53 mm (14.76″ × 12.96″ × 2.09″)
• Packaging Dimensions: 451 × 425 × 147 mm (17.75″ × 16.73″ × 5.79″)
• Operating Temperature: –10 °C to +55 °C (14 °F to +131 °F)
• Storage Temperature: –20 °C to +60 °C (–4 °F to +140 °F)
• Operating Humidity: 10%–93% RH, non-condensing
• Certifications: FCC Part 15B Class A; CE-EMC; CE-LVD