Dahua Technology DHI-NVR4108HS-4KS3 gravador de vídeo em rede 1U preto

The Dahua DHI-NVR4108HS-4KS3 is a compact 8-channel 4K network video recorder designed for small to medium surveillance installations. It supports up to 12 MP IP cameras and offers a maximum storage capacity of 20 TB via SATA HDD. The recorder handles multiple video codecs and provides AI-assisted features for improved event detection and analysis.

Advantages

This NVR supports Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG decoding, with a maximum decoding capability of 8 × 1080p@30 fps and an overall 3840 × 2160 output resolution. It accepts up to 80 Mbps input bandwidth, 80 Mbps recording bandwidth and 60 Mbps output bandwidth. Built-in AI functions include 4-channel SMD Plus on the recorder, while Dahua AI on compatible cameras adds face detection and recognition, perimeter protection, people counting, stereo analysis and heat map generation. The unit is rack-mountable (1U), has PoE support, 1 RJ-45 Ethernet port, two USB 2.0 ports and comes in a black finish.

Suitable for

• Small office and retail premises requiring multi-channel recording
• Residential and small business surveillance with up to 12 MP cameras
• Locations needing AI-assisted detection such as face detection, perimeter protection or people counting

Key specifications

• Model: Dahua DHI-NVR4108HS-4KS3
• Channels: 8
• Max camera resolution supported: up to 12 MP
• Max decoding: 8 × 1080p@30 fps
• Supported codecs: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• Bandwidth (input/recording/output): 80/80/60 Mbps
• Output resolution: up to 3840 × 2160
• HDD interface / Max storage: SATA / 20 TB
• Ethernet: 1 × RJ-45; PoE supported
• USB: 2 × USB 2.0
• Form factor: 1U rack-mountable
• Colour: Black
• Weight: 0.81 kg

How to use

Install a compatible SATA HDD (up to 20 TB) and connect the NVR to your network via the RJ-45 port. Attach IP cameras and configure camera channels using the recorder’s interface or Dahua configuration software. Select desired recording resolutions (720p, 1080p, 2160p) and set recording schedules or event-triggered recordings. Enable AI features per channel where supported by the connected cameras and configure parameters such as SMD Plus, face detection or perimeter protection.

Recommendations

Place the recorder in a ventilated rack or cabinet, keep firmware updated, and use the recommended SATA enterprise-grade HDDs for continuous recording. For reliable AI functions, ensure connected cameras support the specific Dahua AI features and configure adequate lighting and camera placement for optimal detection accuracy.