What are the disadvantages of NVR?

While Network Video Recorders (NVRs) have many advantages, there are also some disadvantages to consider when choosing a video surveillance system.

Here are some of the disadvantages of NVR:

1. Higher Cost: NVRs are generally more expensive than Digital Video Recorders (DVRs) due to their more advanced technology and support for higher video resolutions.

2. Network Reliance: Since NVRs rely on a network connection to receive video feeds from IP cameras, they can be affected by network outages or latency issues. This can result in delays in video recording or loss of video data.

3. Bandwidth and Storage Requirements: NVRs require a lot of bandwidth to process high-resolution video feeds from IP cameras. Additionally, higher video resolutions and frame rates can result in increased storage requirements, which can lead to higher costs.

4. Compatibility Issues: Some IP cameras may not be compatible with certain NVRs, which can limit your choice of cameras or require additional hardware to connect to the NVR.

5. Complex Setup: Setting up an NVR can be more complex than setting up a DVR, as it requires configuring network settings and software settings.

In summary, while NVRs offer many advantages, such as high-resolution video recording and scalability, they also have some disadvantages, such as higher cost, network reliance, bandwidth and storage requirements, compatibility issues, and complex setup. Before choosing an NVR, it's important to consider your specific needs and requirements for a video surveillance system.