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    • Home  / Product Manuals & Documentation
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    Speco N8NU / N16NU — 4K Plug & Play NVR with Built-In PoE+ Specifications

    September 08, 2026 3 min read

    Full specifications for the Speco N8NU / N16NU 4K Plug & Play Network Video Recorders with built-in PoE+, offered in 8 and 16 channel configurations from 2TB to 40TB storage.

    💾 Download Original PDF
    Full text manual (for reference)

    Overview

    The Speco NU Series is a 4K Plug & Play Network Video Recorder (NVR) with built-in PoE+. Available in two channel counts: N8NU (8-channel, 8 built-in PoE+ ports) and N16NU (16-channel, 16 built-in PoE+ ports), each offered in a wide range of storage capacities from 2TB to 40TB.

    Key Features

    • EZ Wizards for ease of use and setup (Camera, Setup, Network, Record, Search, Copy)
    • Supports up to 4K (3840x2160) resolution for live view, recording, and playback
    • Video out: 1 HDMI, 1 VGA, 1 Main, 1 Spot
    • Plug & play for Speco IP cameras with isolated PoE traffic; auto-discovers cameras on the network
    • Supports H.265 and H.264 streams
    • Programmable recording: motion detection, sensor, schedule, continuous, and manual modes
    • Smart (Museum) Search — find specific video events without manual motion setup
    • Networkable with free US-based Speco DDNS service
    • Up to 40TB storage across 4 internal SATA ports; RAID 1/5/10 support
    • eSATA port and external DAS support (up to 40TB) for additional storage
    • 2-way audio communication; Digital Deterrent® audio alerts on events
    • Built-in S.M.A.R.T. technology

    Additional Features

    • Remote monitoring / recording / playback / configuration / software upgrades / PTZ control via internet
    • Mass alert notification via Twitter
    • HTTPS support for third-party SSL certificates
    • Switchable low/high quality streaming during simultaneous continuous + motion + sensor recording for storage optimization
    • Easy firmware upgrade via USB or network
    • Network supports Static IP, DHCP, and DDNS
    • Accessible via SpecoTech Multi-Client Software, SecureGuard® VMS, Internet Explorer Web-Viewer, and Speco Player Mobile Viewer
    • PC and Mac® compatible
    • IR remote control and mouse included
    • Rack mountable (hardware included)
    • 5-year limited warranty (hard drives excluded)
    • UL Listed

    Technical Specifications

    Feature N8NU N16NU
    Max. IP Channels 8 16
    Camera Input H.265/H.264 Auto Detection (Max. 4K)
    Main Monitor HDMI (Max. 4K) and VGA (Max. Full HD)
    Sub Monitor CVBS or SPOT (Selectable)
    Audio Input/Output 8/1 16/1
    Audio Codec G.711
    2-Way Audio Local Audio – Network Client, Local Audio – IP Camera
    Alarm Input/Output 4/1
    RS-485 1
    Compression H.265/H.264 (Auto Detection)
    Max Bitrate per Channel 4K @ 8Mbps
    Max Frame Rate per Channel Any Resolution @ 30fps
    Recording Mode Continuous / Motion / Sensor / Schedule / Manual
    Pre-Recording Max. 20 seconds
    Post Recording Max. 60 seconds
    Search Quick, Date/Time, Archive, Log
    Multi-Decoding 1, 4, 8 1, 4, 9, 16
    Playback Speed x0.25, x0.5, x2, x4, x8, x16, x32, x64
    Backup Media USB flash drive, External HDD, Network
    Backup Format BMP, AVI, EXE (Player + Data), NSF (Proprietary Format)
    Huge Backup Yes (Max. 24 hours)
    HDD Capacity per Drive Up to 10TB
    Internal HDDs 4
    RAID RAID 1/5/10
    e-SATA 1
    Storage Extension External DAS (Max. 40TB, RAID)
    USB Ports (Front/Rear) 2 / 1
    Input Method IR Remote Controller, Mouse, Keyboard Controller (Option)
    Network Interface 1Gbps + 8 PoE 1Gbps + 16 PoE
    Dynamic DNS Yes (Free Speco US-based DDNS)
    Sub-stream for Network Max. 640x360 @ 30fps / Channel
    Digital Zoom Free Size on Live & Playback mode
    Daylight Saving / NTP Yes / Once, Time, and Periodic
    S.M.A.R.T. Temperature, Power on Time, Bad Sector, Health
    System Event Notification Health, Restart, Shutdown, Panic, Alarm, Motion, HDD, Fan
    3G/4G Mobile iPad / iPhone / Android
    Web Viewer Windows (IE Ver.11)
    PC Client SecureGuard® VMS and SpecoTech Multi Client (Live, Search, Backup, PTZ, Remote Setup)
    Power Supply Voltage 100~240V AC
    Operating Temperature 41°F ~ 104°F (5°C ~ 40°C)
    Storage Temperature 14°F ~ 122°F (-10°C ~ 50°C)
    Humidity 20% ~ 80% (Non-condensing)
    Unit Weight 9.0 lbs (13.6 lbs gross), 4.1kg (6.2kg gross)
    Unit Dimensions (W x H x D) 15.0" x 13.4" x 2.8"
    Country of Origin Korea