|Digital video recorder (DVR)||Network video recorder (NVR)|
|Lower operating cost than NVRs.||Operating cost is higher than DVRs.|
|Recording quality is lower than NVRs.||Recording quality is better than DVRs.|
|DVRs are mainly used for recording semi-digital or analog cameras or coaxial-based cameras.||NVRs are a recording device that record data mainly from IP cameras wirelessly over a network.|
|It connects to the cameras via coaxial fibre optic, or unshielded twisted pair cable.||A single wire connects to the NVR via PoE (Power over Ethernet) which eliminates the need for exclusive cables and wiring.|
|It can be paired with semi-digital or analog coax-based cameras with resolution 2MP at its best.||It is paired with IP cameras with resolution ranging from 2MP to 12MP or higher.|
|Installation can be difficult because the wires should always be connected to the DVR.||It connects to the cameras wirelessly so setup is quick and easy|
Both DVR and NVR are recording devices used to record videos onto hard drive, except DVR is compatible with analog or semi-digital, whereas NVRs are mainly used for recording videos in IP cameras. They look incredibly similar, but differ in how they use cabling to connect to cameras. DVRs record analog cameras via coaxial or UTP cabling, whereas NVRs are fully digital, network-based video surveillance systems used to record IP cameras wireless via Power over Ethernet (PoE) which eliminates the need for excessive cables and wiring running all over the place. However, at the end of the day, it’s all about one’s personal preference. NVRs are an ideal choice for those who are looking for an easy and convenient security system for their private homes and work setting. For those who do not wish to go on the higher side, DVRs are a long way to go.
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