Dahua DHI-NVR4432-EI – 32-Channel WizSense NVR with 4 HDD Bays, 256Mbps Bandwidth, AI Search, Face Recognition & 16MP Camera Support
Overview:
The Dahua DHI-NVR4432-EI is a 32-channel WizSense network video recorder designed for small and medium IP surveillance systems that require strong recording performance and AI functions. It supports up to 16MP IP cameras, 4 SATA HDD bays, 256Mbps incoming/recording/outgoing bandwidth, Smart H.265+ compression, face detection and recognition, perimeter protection, SMD Plus, ANPR by camera, people counting, heat map, AI Search, and 4K HDMI output.
Key Features:
• 32-channel IP camera access
• 4 SATA HDD bays, up to 20TB per HDD
• Supports IP cameras up to 16MP
• Max. 256Mbps incoming / recording / outgoing bandwidth
• Smart H.265+ / H.265 / Smart H.264+ / H.264 / MJPEG compression
• Max decoding capability up to 16 × 1080p @ 30fps or 4 × 8MP @ 30fps
• 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 and heat map
• Face database up to 10 databases / 20,000 images
• SMD Plus by recorder up to 4 channels
• ANPR by camera support
• AI Search for faster event investigation
• 1 HDMI and 1 VGA output
• HDMI output up to 3840 × 2160
• 16 alarm inputs and 4 alarm outputs
• 2 Gigabit RJ-45 network ports
Technical Specifications:
• Recorder Type: WizSense Network Video Recorder
• Access Channels: 32
• Operating System: Embedded Linux
• Operating Interface: Web / Local GUI
• Network Bandwidth: 256Mbps incoming / recording / outgoing with AI disabled
• AI Enabled Bandwidth: 180Mbps incoming / recording / outgoing
• Max Camera Resolution: 16MP
• Decoding Capability: Up to 16 × 1080p @ 30fps
• Video Output: 1 HDMI, 1 VGA
• HDMI Resolution: Up to 3840 × 2160
• Video Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• Audio Compression: G.711a, G.711u, PCM, G.726
• Multi-channel Playback: Up to 16 channels
• Storage Interface: 4 SATA ports
• HDD Capacity: Up to 20TB per HDD
• Network Ports: 2 × RJ-45 10/100/1000Mbps
• USB Ports: 2 ports, 1 front USB 2.0 and 1 rear USB 3.0
• Alarm Input: 16 channels
• Alarm Output: 4 channels
• Audio Input: 1-channel RCA
• Audio Output: 1-channel RCA
• RS-232: 1
• RS-485: 1
• Power Supply: 100–240VAC, 50–60Hz
• Power Consumption: <10W without HDD
• Operating Temperature: -10°C to +55°C
• Dimensions: 440 × 415.6 × 76mm
• Net Weight: 4.25kg
Applications:
• Medium CCTV systems
• Commercial buildings
• Factories and warehouses
• Schools and universities
• Hotels and compounds
• Retail chains
• Parking areas and gates
• Projects requiring AI search and smart event filtering
• Central monitoring rooms
Connect Gates Recommendation:
Recommended for medium-size projects that need a stronger 32-channel Dahua NVR with 4 HDD bays, high recording bandwidth, AI search, and advanced smart analytics. It is a suitable choice when the project requires longer recording retention, face recognition, perimeter protection, SMD Plus, ANPR by camera, and reliable integration with third-party IP cameras.