Dahua NVR4232-EI – 32-Channel WizSense NVR, up to 16 MP, 256 Mbps

The Dahua NVR4232-EI is a 32-channel WizSense network video recorder in a compact 1U chassis with two hard-drive bays. It is designed for professional security installations – multi-floor office buildings, retail centres, industrial facilities and similar environments – where a reliable recording infrastructure with advanced AI capabilities and third-party camera compatibility is required.

Key features

• Channels: 32 IP channels, supports cameras up to 16 MP resolution
• Bandwidth: Up to 256 Mbps (access/recording/forwarding); 180 Mbps when AI functions are enabled
• Decoding: Max. 16 × 1080p@30 fps or 4 × 8 MP@30 fps; adaptive decoding supported
• Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• AI by Recorder: 1-channel face detection and recognition, 2-channel perimeter protection (IVS), 4-channel SMD Plus; up to 10 face databases and 20,000 face images
• AI by Camera: Face detection and recognition, perimeter protection, SMD Plus, ANPR, people counting, stereo analysis, heat map
• Storage: 2 × SATA interface, up to 16 TB per disk
• Video outputs: 1 × HDMI (4K), 1 × VGA
• Audio: 1 × audio input (RCA), 1 × audio output (RCA)
• Alarm interface: 4 alarm inputs, 2 alarm outputs
• Network interface: 1 × RJ-45, 10/100/1000 Mbps Ethernet
• USB: 2 × USB ports
• Protocols: ONVIF 22.06, CGI, SDK; supports third-party network cameras
• Mobile access: iOS and Android (DMSS app)
• Operating system: Embedded Linux; web interface and local GUI
• Power supply: 12 V DC, 4 A
• Security standard: Security Baseline 2.3

The NVR4232-EI has no built-in PoE ports – cameras connect via a separate managed PoE switch, providing greater flexibility, better VLAN network segmentation control and easier maintenance of the overall installation.