Vivotek ND9541 32-Channel 4K H.265 PoE NVR

Vivotek ND9541 32-Channel 4K H.265 PoE NVR

The Vivotek ND9541 is a professional-grade 32-channel Network Video Recorder designed for large-scale surveillance deployments requiring high-resolution 4K capability and advanced compression efficiency. Built on embedded Linux architecture with hardware watchdog and automatic power restoration, this NVR delivers enterprise-class reliability and uptime for mission-critical security operations. The system supports up to 12-megapixel camera resolution with H.265 video compression, delivering over 30% better storage efficiency than legacy H.264 systems, enabling extended recording retention on fixed storage capacity.

Key Features

• 32-Channel Management: Simultaneous live view and recording of up to 32 network cameras with flexible multi-layout display (1x1, 2x2, 3x3, 1P+3, 2P+3, 1M+5, 1P+6, 3V, 1M+12, 4x4, 1M+31)
• 4K Video Support: Native 3840x2160 resolution output via HDMI and VGA, with hardware decoding up to 3840x2160 @ 120 fps (4-channel) or 1920x1080 @ 480 fps (16-channel)
• H.265/H.264/MJPEG Compression: Advanced codec support with hardware-based decoding and configurable stream modes (constant or adaptive)
• Flexible Recording Modes: Continuous, schedule, manual, event, and activity-adaptive streaming with pre/post-record buffers (5-10 sec pre-record, 20-300 sec post-record)
• RAID Storage Configuration: Supports RAID 0, 1, and 5 across four internal 3.5" HDD bays with single volume up to 16TB capacity
• Dual Gigabit Ethernet: 10/100/1000Mbps connectivity with 192 Mbps recording throughput and 96 Mbps remote client bandwidth
• Fisheye Dewarp: 1O, 1P, 1R, 1O3R, and 1O8R dewarping modes for live view and playback
• Advanced Event Management: Motion detection, smart VCA events, cyber attack alerts, PIR detection, tampering detection, and camera disconnection monitoring
• PTZ Integration: Full PTZ operation support including direction control, iris, preset, patrol groups, and picture-in-picture control
• Secure Data Export: USB 3.0 storage connectivity, FTP schedule backup, and USB dongle export in FAT format

Technical Highlights

The ND9541 integrates 8 alarm inputs and 4 alarm outputs for external device integration, with audio I/O via 3.5mm jack connectors. The system includes VCA counting solutions, Smart Search II functionality, and Trend Micro IoT security for comprehensive threat protection. Dual ethernet ports enable network redundancy, while ONVIF Profile S certification ensures broad third-party camera compatibility. The NVR operates on DC 56V power (max 120W consumption) within 0–40°C temperature range and supports 0–95% humidity environments.

Software & Connectivity

Remote management is facilitated through iViewer mobile apps (Android/iOS), VIVOCloud cloud service integration, and web browser access (Chrome, Firefox, Internet Explorer 10+). The system supports Shepherd and VAST 2 software platforms for advanced analytics and integration. Multi-language support includes English, German, French, Russian, Spanish, Japanese, Korean, Simplified/Traditional Chinese, and other languages.

Applications

Ideal for retail chains, large facilities, transportation hubs, casinos, and enterprise campuses requiring extensive surveillance infrastructure with high-resolution evidence capture and reliable long-term storage.

Marty Allison

The ND9541 represents a mature NVR platform optimized for organizations transitioning to 4K surveillance at scale. The H.265 codec advantage becomes quantifiable at 32 channels—bandwidth and storage savings translate directly to infrastructure cost reduction. Hardware video decoding ensures smooth 4K playback without CPU bottlenecks, a critical distinction in real-time forensic review scenarios.

RAID 5 configuration with up to 16TB single-volume support provides enterprise-grade redundancy without expensive external SAN infrastructure. The dual ethernet and flexible alarm I/O architecture supports complex integrations (access control, gate systems, emergency broadcasts) with minimal additional hardware. Built-in cyber threat detection and Trend Micro integration address growing compliance requirements around surveillance system security.

For organizations managing mixed-generation camera deployments, the simultaneous support for H.265, H.264, and MJPEG codecs ensures forward compatibility without forced hardware replacement cycles.