Zxtech Onyx 9 Channel 4-PoE Ports 8MP 4K CCTV High Definition Network Recorder


Storage: No HDD
Sale price£109.99
  • UK next business day delivery
  • UK VAT invoices included
  • 30 days hassle free returns
  • 12 month warranty
  • In stock, ready to ship

Elevate your security setup with Zxtech's 9-channel NVR, optimally designed with 4 built-in PoE ports. Capable of supporting 9 IP cameras using an external switch, this NVR delivers an 8-megapixel resolution. With up to 8TB hard drive compatibility and easy remote access via smartphones, stay updated and get instant email alerts for intrusions.

Key Features:

  • Channels: Supports up to 8x 4K (9x 5MP) cameras with 4 built-in PoE ports.
  • Recording: Crisp resolution ranging from 720p to 4K/8MP 25/30fps.
  • Compression: Optimal storage with H.265+/H.265/H.264+/H.264 methods.
  • Connectivity: Cloud access across various devices and browsers.
  • Storage: Space for one hard drive, up to 8TB.
  • Configurations: Flexible scheduling, masking, and selective USB backup options.
  • Event Triggers: Incorporates recording, email, FTP, snapshot, and buzzer. 
  • Smart Features: Face detection, regional intrusion & line crossing detection.
  • Additional Ports: Features audio in & out, alarm ports, 2x USB, and network ports.
  • Compatibility: Adheres to Onvif 2.4 standards.
  • Warranty: Enjoy a 1-year peace of mind guarantee.

What's in the Box

  • Zxtech Onyx 16CH (8-PoE) CCTV NVR
  • Quick Start Guide
  • USB Mouse
  • 52V?48V Power Adaptor


Onyx Range NVR Range

Max Capacity

8 x 4K Cameras

9 x 5MP Cameras

10 x 4K Cameras

16 x 5MP Cameras

32 x 4K or 12MP Cameras

32 x 5MP Cameras

PoE Ports




Max Camera Allowed




Supported Resolutions

5MP, 8MP

5MP, 8MP

5MP, 8MP, 12MP

Hard Drive Slot




Combined Max HDD Size



20TB (10TB+10TB)

Free App

Stream Live, Receive Real-time Alerts, Snap & Share, and Playback Anytime, Any Where, and Control Zoom

Using the free app, stream live in 4K, receive real-time alerts, snap, share, and playback from anywhere. Select channels and times for instant playback, and view multiple cameras simultaneously. For the best view, simply rotate your phone to widescreen. You can also zoom in and zoom out using the app if connected with PTZ cameras.

Watch Live Stream

From Zxtech 4K CCTV Camera

Ensure your internet speed is optimal and wait a bit longer for the 4K high-quality stream to fully load on your device. YouTube takes a while to buffer the highest quality image.


Shaper than 1080p

4K Recording


Space Saving

With H.265+

Redefining Clarity

2MP v.s. 5MP & 4K

Transition from the standard 2MP 1080p HD to the finer details of 5MP Super HD or 8MP Ultra HD when connected to 5MP or 8MP IP Cameras. For those seeking the pinnacle of clarity, our 4K NVR is the ultimate choice for your Zxtech cameras.

2 Megapixel



Install Your Camera with Just One Cable

Built-in PoE

Come with the choice of 4, 8 and 16 PoE Port NVR. If you already have Zxtech PoE Cameras or plan to purchase them to use with this NVR, you can bid farewell to messy cables and complex installations. Our Power over Ethernet system lets you transmit both video and power using a single network cable. By eliminating the need for separate power adapters and splitters, you benefit from a streamlined installation process that is both time-saving and cost-effective.

Must be used with Zxtech Cameras

Smart Humanoid Detection.

Introducing Zxtech's advanced PoE NVR, equipped with cutting-edge AI face detection capabilities. Beyond the standard features like Motion Detection, Mobile Alerts, Masking, and Scheduling, Ensure unparalleled safety by receiving alerts or activating recordings when someone enters or crosses a predefined zone. With Zxtech, experience next-generation CCTV that proactively aids in crime prevention. Elevate your security with the future of surveillance technology. Features only available when connected to Zxtech cameras.

Network Connection

Connect your home router or switch to get online. If you want to connect external cameras, you will need to connect this port to a external switch or router.

  • 4-Port PoE NVR can connect 9 cameras in total.
  • 8-Port PoE NVR can connect 16 cameras in total.
  • 16-Port PoE NVR can connect 32 cameras in total.


You can connect up to 2 displays or monitors at the same time.

2x USB

The NVR has a USB port on the front and another on the back, allowing for easy connection of a mouse or memory stick to seamless extract CCTV footage from the hard drive.

Audio Out & Audio In

Connect external speakers to playback sound if the camera supports audio recording. Also you can connect external microphone to the recorder.

PoE Ports

  • Kits with 4 or less cameras comes with 4 PoE Ports NVR.
  • Kits with 8 or less cameras comes with 8 PoE Ports NVR.
  • Kits with more than 9 cameras comes with 16 PoE Ports NVR.

With Loop Recording

Maximized HDD for "Marathon" Recording.

The advanced PoE CCTV NVR provides an impressive storage capacity: up to 8TB in the 4/8 Port PoE NVR and 20TB in the 16 Port PoE NVR. Combined with H265+ compression technology, your recordings will use far less storage space, allowing the hard drive to accommodate up to 4 times more footage compared to the older H264 format. Additionally, the automatic loop recording ensures the oldest clips are overwritten, so you always retain the most critical evidence.

Explore HDD

Boosted Efficiency, Reduced Bandwidth

Embrace the Future with H.265+

Meet H.265+, the advanced successor to H.264. This High-Efficiency Video Coding (HEVC) standard offers a significant upgrade in video quality while simultaneously slashing required bandwidth and storage needs by as much as 50%. Whether you're a homeowner or a business, this means impressive cost reductions. With the same storage capacity, H.265+ allows you to house up to 4 times the footage you'd get with H.264. Opt for H.265+ and experience the next generation of video compression, marrying cost-efficiency with impeccable clarity.

Mac, PC, Smart Phone, TV

Access on Any Device, Any Time

PC, Mac

Download the latest version of the iVMS software for your PC or Mac. This allows you to remotely monitor and review footage from your CCTV system, ensuring you stay connected wherever you are, anytime you need.

2 Screen TV Setup

The NVR included with the system boasts both HDMI and VGA ports on the back, enabling simultaneous connection to two external monitors or TVs. For instance, with a sufficiently long cable, you can have one display in the kitchen and another in the living room.

Smart Phone

In today's world, smartphones are indispensable, and so should your CCTV system be. Download the latest BitVision app to monitor, view, playback, and share your CCTV footage anytime, anywhere.

NVR Spec Comparison

Model MN403PN
Main Processor  ARM Cortex A7 Processor
Operating System Embedded LINUX
Input 9CH(3840*2160,2592x1944, 2048x1536, 1920×1080, 1280×960, 1280×720, etc)
Output   1 VGA, 1 HD
Input 1 Port RCA, support 9CH IPC audio input
Output 1 Port RCA(Linear, 1kΩ), HD output
Audio Bit Rate 64kbps
Audio Compression standard G711u, G711a, ADPCM_DVI4 
Intercom support (two-way)
Sensor Input  4CH
Output   1CH
Motion Detection   9 Channel, MD Zones: 396 (22 × 18)
Trigger Events  Recording, Email, FTP, Snapshot, Buzzer and Screen Tips, alarm output
HD Output1 4K(3840*2160)/2K(2560*1440)/1920*1080/1280*1024/1280*720/1024*768
HD Output2 N/A
VGA      Resolution:1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz
Display Split  9CH/8CH/6CH/4CH/1CH
Digital Zoom   YES
OSD Camera Title, Time, Recording, Motion Detection, Event Alarm
Video Compression   H265/H264/H265+/H264+
Resolution   4k(3840×2160),5MP(2592×1944),4MP(2688×1520/2560×1440),3MP(2048×1536),1080P(1920×1080),960P(1280x960),720P(1280×720),D1 (720×576/720×480)
Record Rate   PAL :4K@8CHx25fps,5MP@9CH×25fp,4MP@9CHx25fp,3MP@9CH×25fp,1080P@9CH×25fp, 960P@9CH×25fp,720P@9CH×25fp, D1@9CH×25fp
 NTSC: 4K@8CHx30fps,5MP@9CH×30fp,4MP@9CH×30fp,3MP@9CH×30fp,1080P@9CH×30fp, 960P@9CH×30fp, 720P@9CH×30fp, D1@9CH×30fp
Record Mode  Manual\Timer\Motion Detection\ Alarm\Smart Event
Playback & Backup  
Local Sync Playback  1CH 4K@30fps, 1CH 5MP@30fps,2CH 4MP@30fps, 2CH 3M@30fps, 4CH 1080P@30fps,6CH 960P@30fps, 8CH 720P@30fps,9CH D1@30fps
Decode Capability  4CH 1080P(1920x1080)@30fps
Remote Sync Playback  YES
Search Mode  ALL, Timing Video, Motion Detection, Alarm,Tag  search,Smart Event,Pictrue,Log
Playback Functions Play, pause, fast forward, rewind, previous frame, next frame, electronic zoom, clip, audio
Backup Mode USB Device/Network
Interface  1xRJ45 10M/100MAdaptive Ethernet Interface
Incoming Bandwidth  80Mbps
Outgoing Bandwidth 80Mbps
Onvif  Profile S, Profile G, Profile T
Web Browser Edge,IE8-11, Google Chrome , Firefox ,Safari
CMS Software Support  Windows 7/ Windows 8/Windows 10/Windows 11/MAC OS
Cloud Support Yes
Smart Phone iPhone, iPad, Android, Android Pad
POE   4 x Independent 100Mbps POE Network Interfaces(Output power AF mode 15W per port), 45/78 line order, Total Power Output≤ 50W,  Support Plug and Play, Support network cable extended mode Max. 200M
Interface Type   1 SATA Hard Disk Interface (3.5" SATA)
Capacity  Up to 8TB capacity
Language  UI Simplified Chinese, Traditional Chinese,English,  Russian,
Deutsch, French, Portuguese,  Spanish, Italian,  Korean,   Janpanese,Ukrainian, Polski,Dutch, Greek, Czech, Arabic
USB Interface  2 USB 2.0 Interfaces
RS485  N/A
Power consumption DC48V∕1360mA  ≤10W (Without Hard Disk and POE)
Working Environment -10℃~50℃, 10%~90%(humidity)
Dimension(W×D×H)  260*230*43(mm) 
Weight 2kg(without HDD)

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