Network Video Recorder DAHUA NVR2104-4KS3 4-channel 4K, 20 TB, 1U rack, SATA, Smart H.265+

The Dahua NVR2104-4KS3 Lite is a compact 1U network video recorder that supports 4 IP video inputs and up to 4K (3840 × 2160) resolution. Designed for edge, central or backup storage, it offers Smart Motion Detection (SMD) by recorder and AI-assisted features to distinguish humans and vehicles from irrelevant motion. The unit supports SATA HDD storage up to 20 TB and provides an intuitive shortcut menu for remote management and control. Its low power consumption and simple installation make it suitable for small and medium-sized locations such as villas and shops.

Advantages

The NVR supports multiple video codecs including Smart H.265+, H.265, Smart H.264+, H.264 and MJPEG, and delivers a maximum decoding capability of 6 × 1080p@30 fps. It includes AI functions by recorder (4-channel SMD) and AI by camera (perimeter protection and SMD), helping to reduce false alarms and improve detection accuracy. Network bandwidth handling is optimized with up to 80 Mbps incoming and recording bandwidth and up to 60 Mbps outgoing bandwidth. The unit is rack-mountable (1U), compact (0.45 kg), and comes in white with built-in processor and standard RJ-45 Ethernet connectivity.

Suitable for

• Small retail shops and boutiques
• Private villas and residential properties
• Small offices and reception areas
• Remote or branch-site backup monitoring

Key specifications

• Model: DHI-NVR2104-4KS3
• Video inputs: 4 channels
• Max resolution: 3840 × 2160 (4K)
• Max decoding capability: 6 × 1080p@30 fps
• Supported codecs: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• AI features: 4-channel SMD (recorder), perimeter protection and SMD (camera)
• Bandwidth: incoming/recording up to 80 Mbps, outgoing up to 60 Mbps
• HDD interface: SATA, maximum capacity 20 TB
• Network: 1 × Ethernet LAN (RJ-45)
• USB: 2 × USB 2.0
• Form factor: 1U rack mount
• Colour: White
• Weight: 0.45 kg
• Power consumption: approx. 10 W

How to use

Install a compatible SATA HDD (up to 20 TB) into the 1U chassis, mount the recorder in a rack or place it on a shelf, and connect cameras to the network so the NVR can discover and register IP cameras. Configure recording resolution and schedules via the shortcut menu or the web/clients, enable SMD or perimeter protection as needed, and set up remote access through the LAN port and your chosen network configuration. Use the USB ports for local backup or mouse control.