What is the Difference Between DVR and NVR Security?

What is the Difference Between DVR and NVR Security?


While getting a video surveillance system, you will have to choose between a network video recorder (NVR) or a digital video recorder (DVR) system. Knowing the benefits of both systems will help you make a better decision. Also, if the general idea is the security of your premises, be it home or office, and to beef up already existing security plans which comprehensively includes guns, PA-10 rifles, and manned security, then read this article to the end to know which camera favors you most.

In this article, we will explain the differences between a DVR and NVR system.

A person can secure his/her commercial space or house by installing a video surveillance system. However, one question that every property owner will face is- NVR vs DVR-which security system to choose? Therefore, by understanding the differences between an NVR and DVR, one can choose a system that suits his/her requirements.

What is a DVR System?

A DVR system functions with an analogue camera. The system receives analogue video signal. Then, the system compresses it and stores the footage on a hard disk.

In simple words, a DVR system converts analogue signals into a digital format and saves it on a hard drive.

What is an NVR System?

An NVR system records video transmitted via a network cable. It is a network of IP cameras. Each camera is connected to an NVR via LAN network or Internet. The footage can be stored on various devices such as disk drive, USB drive, etc.

What are the Cameras Used by a DVR and NVR System?

A DVR security system uses analogue cameras. These cameras are also known as CCTV cameras. The mechanism of a DVR system is easy. The analogue cameras send the signal to the recorder. Then, the recorder processes the footage and stores it.

An NVR system uses IP cameras. These cameras process the video footage and then transmit it to a recorder. Typically, IP cameras can send video as well as audio.

What is the Cable Used by a DVR and NVR System?

In a DVR system, the video recorder is connected to the camera via a coaxial cable. Due to the size of a coaxial cable, installing a DVR system can be harder compared to an NVR system.

An NVR system uses an Ethernet cable to connect the recorder to the camera. An Ethernet cable is thinner compared to a coaxial cable. Therefore, installing an NVR system becomes easier.

How to Access Video with a DVR and NVR?

In order to view a DVR system’s video footage, a person needs to be at the system. However, most DVR systems have a USB port. Thus, a person can transfer the footage to another storage device and view it from any place.

An NVR system functions on an Internet connection. Therefore, it allows the user to view the footage from a remote location. Nowadays, NVR systems allow users to view the video on their laptops, mobile phones, etc.

Which System to Choose?

The aforementioned points will help you understand the difference between NVR and DVR. It can be difficult to choose between the two systems. However, with the help of some research, you can easily find out which system can better meet your needs.


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