Dahua NVR2104HS-4KS2 – 4-Channel NVR, 4K/8MP, H.265+, 80 Mbps

The Dahua NVR2104HS-4KS2 is a compact network video recorder (NVR) from the Lite series, designed for cost-effective and easy-to-install IP surveillance systems. It supports video transmission at resolutions up to 8 MP and, with the Smart H.265+ codec, saves up to 50% HDD storage space compared to H.264. Suitable for home security, retail, warehouses, educational institutions, and financial facilities.

Key features

• Channels: 4 IP cameras
• Codecs: Smart H.265+ / Smart H.264+ / H.265 / H.264
• Maximum incoming bandwidth: 80 Mbps
• Preview & playback: up to 8 MP resolution
• Decoding: 1× 8 MP @ 30 fps or 4× 1080P @ 30 fps
• Video output: 1× HDMI (up to 3840×2160) and 1× VGA (up to 1920×1080) – simultaneous
• Multi-screen display: 1/4 split
• OSD: camera title, time, motion detection, recording status
• Recording modes: manual, schedule (continuous, motion detection, stop)
• Bit rate per channel: 16 Kbps – 20 Mbps
• Storage: 1× SATA III, up to 6 TB
• Two-way audio: 1× RCA input, 1× RCA output
• USB ports: 2× USB 2.0 (1 front, 1 rear)
• Interoperability: ONVIF 2.4, SDK, CGI
• Mobile app: iPhone, iPad, Android (DMSS app)
• User access: up to 128 users
• ANR: automatic network replenishment after network recovery
• Operating system: embedded Linux
• Power consumption: less than 5.3 W (without HDD)
• Operating temperature: −10 °C to +55 °C
• Dimensions (W×D×H): 260 × 224.9 × 47.6 mm (Compact 1U)
• Weight: 0.8 kg (without HDD)
• Certifications: CE (EN55032, EN55024, EN50130-4, EN60950-1), FCC

The NVR2104HS-4KS2 is a reliable, compact solution for B2B customers seeking a capable 4K NVR for small IP surveillance systems without the need for built-in PoE switching.