Dahua NVR4104-P-4KS2/L – 4-Channel Smart NVR, 4K, 4× PoE, H.265+

The Dahua NVR4104-P-4KS2/L is a 4-channel smart network video recorder from the Lite series, housed in a compact 1U desktop chassis with a single HDD bay and four built-in PoE ports. It supports recording and playback at resolutions up to 8 MP (4K) and handles H.265, Smart H.265+, H.264 and Smart H.264+ compression, delivering excellent image quality with reduced storage consumption. An industrial-grade embedded processor running Embedded Linux ensures stable, long-term operation in demanding environments.

Key features

• Video inputs: 4 channels (IP cameras); access & storage bandwidth up to 80 Mbps, forwarding up to 60 Mbps
• Supported camera resolutions: 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, D1
• Compression: Smart H.265+ / H.265 / Smart H.264+ / H.264 with H.265 auto-switch
• Decoding: up to 8 × 1080p@30 fps (adaptive decoding)
• Video outputs: 1× HDMI (up to 4K) + 1× VGA – simultaneous output
• PoE: 4 PoE ports; total output power 36 W, max. 25.5 W per port; supply voltage 48 V/53 V DC
• HDD: 1× SATA bay (maximum capacity varies with ambient temperature)
• AI features (by camera): Face detection (6 attributes: gender, age, glasses, expression, mouth mask, beard), perimeter protection, SMD Plus (human/vehicle classification), people counting, heat map, IVS
• Audio: 1× RCA input, 1× RCA output (two-way talk)
• Network: 1× RJ-45, 10/100 Mbps self-adaptive Ethernet
• USB: 2× USB 2.0 (rear panel)
• Protocols: ONVIF, RTSP, P2P remote access
• Power consumption: < 10 W (HDD not included, idle)
• Dimensions (W × D × H): 204.6 × 206.4 × 48.1 mm; net weight 0.50 kg
• Operating temperature: –10 °C to +50 °C; humidity 10–93 %
• Certifications: CE (EN62368-1, EN55032, EN55024, EN55035, EN50130-4), FCC Part 15 Subpart B
• Installation: desktop mounted

With its intuitive 4.0 GUI, mobile surveillance support (iOS/Android) and batch IPC management, the NVR4104-P-4KS2/L is an ideal cost-effective solution for small and medium B2B deployments such as offices, retail stores, warehouses and educational facilities.