Description
UNV NVR301-04S3 4-Channel 4K NVR
The UNV NVR301-04S3 is a compact and reliable 4-channel Network Video Recorder designed for modern IP camera surveillance systems. It allows you to connect and manage up to 4 IP cameras, making it an ideal choice for homes, offices, shops, small businesses and other security installations.
The NVR supports Ultra 265, H.265 and H.264 video compression, helping to optimize storage and network bandwidth while maintaining high-quality surveillance footage. It supports recording resolutions up to 4K, depending on the connected camera and configuration.
For monitoring, the NVR provides HDMI and VGA outputs. HDMI supports up to 3840 × 2160 at 30Hz (4K), allowing you to connect a 4K display for detailed live monitoring and playback. HDMI and VGA can also be used simultaneously.
The NVR301-04S3 supports compatible third-party IP cameras through ONVIF Profile S, Profile G and Profile T, along with RTSP protocols. It also supports P2P remote access and multiple network protocols for flexible surveillance management.
Key Features
- 4-Channel IP Camera Support
- Up to 4K Recording
- Ultra 265 / H.265 / H.264 Compression
- 4K HDMI Output
- VGA Output
- HDMI + VGA Simultaneous Output
- 1 × SATA HDD Interface
- Up to 10TB HDD support on the current UNV specification page
- ONVIF Profile S/G/T Support
- RTSP Support
- P2P Remote Access
- 4-Channel Synchronous Playback
- Motion Detection
- Human Body Detection
- Video Loss & Tampering Detection
- 2 × USB 2.0
- Compact 1U design
Technical Specifications
| Specification | Details |
|---|---|
| Brand | UNV / Uniview |
| Model | NVR301-04S3 |
| Product Type | Network Video Recorder |
| IP Video Input | 4 Channels |
| Incoming Bandwidth | 64 Mbps |
| Outgoing Bandwidth | 48 Mbps |
| Remote Users | Up to 128 |
| Video Compression | Ultra 265 / H.265 / H.264 |
| Recording Resolution | Up to 8MP / 4K |
| HDMI Output | Up to 3840 × 2160 @ 30Hz |
| VGA Output | Up to 1920 × 1080 @ 60Hz |
| Audio Output | 1 × 3.5mm |
| HDD Interface | 1 × SATA |
| HDD Capacity | Up to 10TB* |
| Network Port | 1 × RJ45 10/100 Mbps |
| USB | 2 × USB 2.0 |
| Protocols | TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SMTP, RTSP |
| Camera Compatibility | ONVIF Profile S/G/T & RTSP |
| Synchronous Playback | 4 Channels |
| Power Supply | DC 12V / 2A |
| Power Consumption | ≤5W without HDD |
| Operating Temperature | -10°C to 55°C |
| Dimensions | 260 × 240 × 46 mm |
| Weight | ≤0.98 kg |


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