UNV NVR301-S3 series 1 HDD 4-ch 1U Network Video Recorder

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4-Channel IP Input with up to 4K decoding
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Ultra 265/H.265/H.264 compression support
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1 SATA bay, up to 10TB HDD
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Smart VCA: Face Detection, Intrusion, UMD
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HDMI/VGA Output up to 4K
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64 Mbps incoming / 48 Mbps outgoing bandwidth
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4-ch synchronous playback
NVR301-S3 Series 1 HDD 4-Channel 1U Network Video Recorder
The NVR301-S3 Series is a high-performance 4-channel 1U Network Video Recorder designed for small to medium-scale surveillance systems. With support for up to 1 HDD and advanced decoding capabilities, it delivers reliable and efficient video management in Ultra 265, H.265, and H.264 formats.
Key Features:
Decoding & Video Management
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Decoding Formats: Ultra 265, H.265, H.264
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Decoding Capability:
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1 × 4K @ 30 fps
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4 × 5MP @ 25 fps
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4 × 4MP @ 25 fps
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4 × 3MP @ 25 fps
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6 × 1080P @ 30 fps
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8 × 720P @ 30 fps
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16 × D1 @ 25 fps
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Resolution Limits: Each channel supports up to 4000 × 3000 pixels
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Audio Compression: G.711A, G.711U
Video/Audio Input & Output
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IP Video Input: 4 channels
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HDMI Output Resolutions:
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3840 × 2160 @ 30 Hz
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1920 × 1080 @ 60/50 Hz
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1600 × 1200 / 1280 × 1024 / 1280 × 720 / 1024 × 768 @ 60 Hz
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VGA Output Resolutions:
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1920 × 1080 @ 60/50 Hz
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1600 × 1200 / 1280 × 1024 / 1280 × 720 / 1024 × 768 @ 60 Hz
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Audio Output: 1 × 3.5mm
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Live View Display Options: 1/4
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Corridor Mode Display Options: 3/4
Snapshot & Recording
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Snapshot: 1 channel, max D1 (720 × 576) resolution, via FTP/Schedule/Event
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Recording Resolutions:
8MP, 6MP, 5MP, 4MP, 3MP, 1080P, 960P, 720P, D1, 2CIF, CIF -
Synchronous Playback: 4 channels
Smart Functions
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VCA Detection (via IPC):
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Face Detection
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SIP (Intrusion Detection, Cross Line Detection, Enter/Leave Area)
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Ultra Motion Detection (UMD)
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Smart Analytics: Up to 4 channels (Face Detection, SIP, UMD)
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VCA Search: Behavior Search
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Snapshot Records Capacity: Up to 2 million face snapshots
Alarm & Notifications
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General Alarms:
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Auto Tracking
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Motion Detection
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Tampering
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Human Body Detection
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Video Loss
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Audio Detection
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Alert Alarms:
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IP Conflict
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Network Disconnected
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Disk Offline/Abnormal
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Illegal Access
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Hard Disk Space Low/Full
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Recording/Snapshot Abnormal
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Network & Remote Access
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Incoming Bandwidth: 64 Mbps
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Outgoing Bandwidth: 48 Mbps
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Supported Protocols: TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SMTP, RTSP, IPv4
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Remote Users: Up to 128
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Browser Compatibility (Plugin): IE10, IE11, Chrome 45+, Edge 79+, Firefox 52+
Storage
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HDD Bays: 1 × SATA interface
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Capacity: Supports up to 10 TB per HDD (dependent on environmental conditions and drive size)
External Interfaces
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Network: 1 × RJ45 10M/100M self-adaptive Ethernet port
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USB Ports: 2 × USB 2.0 (rear panel)
Power & Environmental
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Power Supply: DC 12V / 2A
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Power Consumption (without HDD): ≤ 5W
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Working Temperature: -10°C to 55°C (14°F to 131°F)
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Working Humidity: ≤ 90% RH (non-condensing)
Physical Characteristics
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Dimensions: 260 × 240 × 46 mm (10.2" × 9.4" × 1.8")
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Weight (without HDD): ≤ 0.98 kg (2.16 lb)
Language & Compliance
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GUI Languages: 21 languages including English, Spanish, French, Arabic, Russian, and more
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Certifications: CE, FCC, UL, RoHS, WEEE
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Compliance Standards:
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CE: EN 55032, EN 61000-3-3, EN IEC 61000-3-2, EN 55035
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FCC: Part 15 Subpart B
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The NVR301-S3 Series offers a feature-rich, compact, and cost-effective solution for professional surveillance environments, combining powerful decoding performance with smart analytics, remote access, and flexible recording options.