DH-NVR2108HS-4KS3 is a compact 8-channel network video recorder engineered to deliver AI-powered surveillance in a space-saving 1U form factor. Built with an industrial-grade processor and embedded Linux operating system, it’s designed to handle continuous, multi-camera recording for small businesses, retail outlets, and residential properties.
The DH-NVR2108HS-4KS3 supports up to 8 IP camera channels with resolutions up to 12MP, giving installers the flexibility to combine high-resolution and standard cameras across a single system. Network bandwidth reaches 80 Mbps incoming, 80 Mbps recording, and 60 Mbps outgoing, comfortably supporting demanding multi-camera setups without performance drops.
One of the standout features of the DH-NVR2108HS-4KS3 is its built-in AI functionality. The recorder processes SMD (Smart Motion Detection) across 4 channels directly on the unit, while SMD Plus and perimeter protection are available when paired with compatible cameras. These AI tools apply secondary filtering to separate real human and vehicle movement from false triggers like blowing leaves, rain, or changing light conditions, cutting down significantly on nuisance alerts.
Decoding capability tops out at 6 channels of 1080p@30fps, or single-channel viewing up to 12MP, ensuring smooth playback whether monitoring one high-detail feed or several standard-resolution cameras at once. Video compression relies on Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG, helping reduce storage load while keeping footage crisp.
Storage is handled through a single SATA HDD bay supporting drives up to 20TB, with additional backup available via USB device or network transfer. For local monitoring, the DH-NVR2108HS-4KS3 offers simultaneous HDMI and VGA outputs, with HDMI supporting resolutions up to 4K (3840×2160), plus multi-screen display layouts of 1, 4, 8, or 9 channels.
Remote access is straightforward through the P2P network protocol, with dedicated iOS and Android apps for mobile viewing. The unit also supports convenient one-click arming and disarming, letting users control alarm status instantly.
Compact and lightweight at 0.85kg, the DH-NVR2108HS-4KS3 is rated for operation across a wide -10°C to +55°C range and carries CE certification, making it a dependable, AI-ready choice for anyone expanding an 8-camera IP surveillance setup on a budget.
DH-NVR2108HS-4KS3 System
| Feature | Specification |
| Main Processor | Industrial-grade processor |
| Operating System | Embedded Linux |
| Operating Interface | Web, Local GUI |
DH-NVR2108HS-4KS3 AI & Analytics
| Feature | Specification |
| AI by Recorder | SMD Plus |
| AI by Camera | Perimeter protection, SMD |
| Perimeter Protection (Camera AI) | All channels (4 targets/s) |
| SMD Plus by Recorder | 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain, and lighting condition change |
| SMD Plus by Camera | All channels (8 targets/s) |
DH-NVR2108HS-4KS3 Audio and Video
| Feature | Specification |
| Access Channel | 8 channels |
| Network Bandwidth | 80 Mbps incoming, 80 Mbps recording, 60 Mbps outgoing |
| Resolution | 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, 960p, D1, CIF, QCIF |
| Decoding Capability (AI Disabled) | 1 ch @ 12 MP (30 fps), 1 ch @ 8 MP (30 fps), 2 ch @ 6 MP (30 fps), 2 ch @ 5 MP (30 fps), 3 ch @ 4 MP (30 fps), 6 ch @ 1080p (30 fps) |
| Decoding Capability (AI Enabled) | 1 ch @ 8 MP (30 fps), 1 ch @ 6 MP (30 fps), 1 ch @ 5 MP (30 fps), 2 ch @ 4 MP (30 fps), 4 ch @ 1080p (30 fps) |
| Video Output |
1 HDMI, 1 VGA
• HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720
• VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 |
| Multi-screen Display | 1 / 4 / 8 / 9 split |
| Third-party Camera Access | ONVIF |
DH-NVR2108HS-4KS3 Compression Standard
| Feature | Specification |
| Video Compression | Smart H.265+, H.265, Smart H.264+, H.264, MJPEG |
| Audio Compression | G.711a, G.711u, PCM, G726 |
DH-NVR2108HS-4KS3 Network
| Feature | Specification |
| Network Protocol | HTTP, HTTPS, TCP/IP, IPv4, IPv6, UDP, NTP, DHCP, DNS, SMTP, IP Filter, DDNS, IP Search (Supports IP camera, DVR, NVS, etc.), P2P, Auto Registration |
| Mobile Phone Access | iOS, Android |
| Interoperability | ONVIF 23.12 (Profile T, Profile S, Profile G), CGI, SDK |
| Browser | Chrome, IE, Safari, Edge, Firefox |
DH-NVR2108HS-4KS3 Recording Playback
| Feature | Specification |
| Multi-channel Playback | Up to 8 channels |
| Record Mode | General, motion detection, intelligent, alarm |
| Backup Method | USB device and network |
| Playback Mode | Instant playback, general playback, event playback, tag playback, smart playback |
DH-NVR2108HS-4KS3 Alarm
| Feature | Specification |
| General Alarm | Motion detection, camera external alarm, PIR alarm |
| Anomaly Alarm | Error (no disk, disk error, low space, low quota space, network disconnection, IP conflict, MAC conflict), video loss, video tampering, camera offline |
| Intelligent Alarm | Perimeter protection, SMD Plus |
| Alarm Linkage | Recording, snapshot, buzzer, log, preset, email, tour |
DH-NVR2108HS-4KS3 Port & Interfaces
| Feature | Specification |
| Audio Input | 1-channel RCA |
| Audio Output | 1-channel RCA |
| Alarm Input | NA (2 channels are optional) |
| Alarm Output | NA (1-channel 12 V 1 A output is optional) |
| Disk Interface | 1 SATA port (up to 20 TB; limit varies depending on environment temperature) |
| USB | 2 × USB 2.0 (1 front, 1 rear) |
| HDMI | 1 port |
| VGA | 1 port |
| Network Port | 1 × RJ-45 (10/100 Mbps Ethernet port) |
DH-NVR2108HS-4KS3 General Specifications
| Feature | Specification |
| Power Supply | 12 VDC, 1.5 A |
| Power Consumption | <10 W (without HDD) |
| Net Weight | 0.85 kg (1.87 lb) |
| Gross Weight | 1.39 kg (3.06 lb) |
| Product Dimensions | 260.0 mm × 232.5 mm × 47.6 mm (10.24″ × 9.15″ × 1.87″) (W × D × H) |
| Packaging Dimensions | 334.0 mm × 89.0 mm × 314.0 mm (13.15″ × 3.50″ × 12.36“) (W × D × H) |
| Operating Temperature | –10 °C to +55 °C (14 °F to +131 °F) |
| Storage Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Operating Humidity | 10%–93% (RH), non-condensing |
| Certifications |
CE-LVD: IEC 62368-1:2014
CE-EMC: EN IEC 61000-3-2:2019, EN 61000-3-3:2013+A1:2019, EN 55032:2015+A11:2020, EN 55035:2017+A11:2020, EN 55024:2010+A1:2015, EN 50130-4:2011+A1:2014 |
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