NR900X Series - 4K NVR with Lorex Cloud Connectivity

Model Numbers: NR900X Series

Lorex is proud to introduce industry-leading 4K resolution recording to its extensive line of consumer security products. This network video recorder (NVR) is compatible with IP security cameras from 720p all the way to 4K resolution. It contains built-in Power-over-Ethernet (PoE) ports and high capacity security certified hard drive. It can also be connected to our innovative Lorex Cloud app for easy remote monitoring from your smartphone or tablet. Whether you need it for your home or business, 4K resolution will provide the best chance to capture the specific details you need should an incident occur.

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Quick Start Guide

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Apps / Software

Lorex Cloud Client for Mac

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Lorex Cloud Client for PC

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Lorex Cloud for Android

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Lorex Cloud for iPhone / iPad

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Video Player for MAC

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Video Player for PC

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Support Articles

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1. Lorex Cloud‎ Setup (For Recorders)

DVR / NVR - How to format your USB flash drive on your recorder

To make sure you can transfer files to or from your recorder, it is essential that you first format your USB flash drive on the recorder before moving any file.

DVR / NVR - How to manually upgrade the firmware of your recorder

If your recorder is connected to a network, it will automatically receive firmware updates.

DVR / NVR - How to Playback Recorded Videos on Your Computer

You can download recorded videos from your DVR or NVR to a USB flash drive and play them back on your computer. Depending on the file format of your video, you need the Lorex Player or the VL

DVR / NVR - How to Remove and Install a New Hard Disk Drive

The system comes with a pre-installed 3.5" SATA hard drive. You can replace the hard drive with one up to a maximum size of 8TB or 10TB (varies per model).

DVR / NVR - How to restore your recorder’s display resolution to factory default

This troubleshooting guide will help you restore your recorder’s display output to factory default so that you can restore your monitor’s live view.

DVR / NVR - Which Hard Disk Drive (HDD) is Compatible with Lorex Recorders?

The following FAQ details which type of hard disc drive (HDD) is compatible with Lorex recorders.

Hard Disk Drive: Installing an additional internal HDD

Lorex systems come with at least one pre-installed 3.5" Serial AT Attachment (SATA) hard disk drive (HDD).

How to Change or Reset Your Recorder's Password (Compatible with Lorex Cloud App)

You can change your recorder's password for security reasons or reset it if you've forgotten it.

LNR / NR Series NVRs: Configuring deterrence settings

LNR / NR Series NVRs: Setting date and time

Technical Support - Frequently Asked Questions

We have curated these frequently asked questions (FAQs) to provide you with a quick and easy solution to technical issues regarding your Lorex product.

Top Reasons Your Lorex Camera May Lose Video or Go Black

There are a multitude of reasons why your security camera may go black. The following list of potential issues will walk you through the process of identifying the root cause and do a quick f