There are two types of NVRs: Standalone NVRs and PC-based NVRs. The Standalone NVRs are mostly built on Linux OS (Operating System) based system designed for embedded processors, while the PC-based NVRs are mainly MS Windows OS based system designed for PC platforms with dedicated boards for video surveillance
* Benefits of Standalone NVR

– Usually less expensive

– Takes less physical space (easy to hide on safe place)

– Safer from malwares and viruses

– Quiet in operation

– Lower power consumption

* Benefits of a PC-based NVR

– Gives better features such as video analysis, high-quality user interface, etc.

– Ability to have thousands of user accounts

– More expandable hardware and software components

– Easily maintain, change or upgrade hardware and software components