Vivotek ND9425P 16-Channel 4K PoE NVR

Vivotek ND9425P 16-Channel 4K PoE NVR

The Vivotek ND9425P is a professional-grade 16-channel network video recorder engineered for medium to large-scale surveillance deployments. Built on embedded Linux architecture, this compact NVR delivers 4K video processing, advanced H.265 compression, and integrated PoE power delivery—simplifying installation while maximizing operational efficiency. With support for up to 3840x2160 resolution decoding and flexible multi-layout display options, the ND9425P provides the clarity and control required for comprehensive security monitoring.

Key Features

• 16-Channel 4K PoE Network Video Recorder with H.265 codec support
• 4K Video Decoding: Up to 3840x2160 @ 30 fps (single channel); 1920x1080 @ 120 fps (4-channel); 1280x720 @ 240 fps (8-channel)
• Flexible Multi-Layout Display: 13 viewing configurations including 1x1, 2x2, 3x3, 4x4, picture-in-picture, and custom layouts
• Integrated PoE+ Power Management: Supplies power and data to connected cameras via single network cable
• Dual Internal HDD Bays: Supports 3.5" drives with RAID 0/1 configuration and S.M.A.R.T. monitoring
• Advanced Recording Modes: Continuous, scheduled, manual, and event-triggered recording at up to 64 Mbps throughput
• Fisheye Dewarp Support: Local and web-based dewarp processing for panoramic camera feeds
• Hardware-Accelerated Decoding: Optimized performance for simultaneous multi-channel playback
• Comprehensive Event Management: Motion detection, smart VCA events, tampering detection, and PoE error alerts
• Cloud and Mobile Integration: VIVOCloud support with iViewer app for iOS and Android devices

Technical Specifications

• Video Format Support: H.265, H.264, MJPEG with hardware-based decoding
• Display Output: 1x HDMI (up to 3840x2160), 1x VGA
• Network Connectivity: Gigabit Ethernet (10/100/1000 Mbps), 88 Mbps aggregate throughput
• Audio: G.711 and G.726 codecs; 1x audio output jack; 1x reserved audio input jack
• Alarm I/O: 4 alarm inputs, 1 alarm output
• Storage: Internal dual 3.5" HDD (RAID capable), USB 3.0 front port, USB 2.0 rear port for external backup
• Recording Throughput: 64 Mbps with watermark support and configurable recycling policies
• Power Consumption: Maximum 255W; operates on 100-240V AC, 50/60Hz with automatic power recovery
• Environmental: 0–40°C operating temperature, 0–95% humidity tolerance
• Safety Certifications: CE, FCC, VCCI, C-Tick, UL, CB, BSMI, BIS

Advanced Capabilities

• PTZ Operation: Direction control, preset management, patrol groups, and picture-in-picture control
• Video Search: Calendar-based, date/time-based, and alarm-triggered search with thumbnail explorer (storyboard) for up to 2 channels
• User Management: Administrator and regular user roles with detailed system, recording, user, and error logging
• Cybersecurity: Trend Micro IoT Security integration and cybersecurity management features
• Smart Analytics: VCA counting and crowd control solutions supported
• Browser Compatibility: Internet Explorer 10+ and Chrome v68.0+ on Windows

Applications

The ND9425P is ideal for retail environments, office complexes, transportation hubs, educational institutions, and critical infrastructure requiring reliable multi-channel 4K surveillance. Its compact 366 x 320.3 x 46mm form factor and 2.5kg weight facilitate flexible deployment, while integrated PoE eliminates the need for separate power infrastructure. Support for ONVIF Profile S ensures compatibility with third-party IP cameras, and advanced VCA event search enables intelligent threat detection and response.

Ted Perry

The ND9425P represents a balanced approach to mid-range surveillance infrastructure. The H.265 codec delivers substantial bandwidth and storage savings over H.264, critical for organizations managing large video archives. Hardware-accelerated decoding enables simultaneous playback of multiple 4K streams without performance degradation.

The dual-bay RAID configuration with S.M.A.R.T. monitoring provides redundancy and early failure detection. Integration of Trend Micro IoT Security and cybersecurity management features addresses growing concerns around network vulnerabilities in connected surveillance systems. The VCA counting and crowd control solutions add intelligence for retail and facility management applications.

However, prospective buyers should note that HDDs are sold separately and capacity selection should align with retention policies and bitrate targets. The 88 Mbps aggregate network throughput caps simultaneous bandwidth-intensive operations; careful camera selection ensures optimal performance in densely deployed environments.