Network Video Recorders, also known as NVRs, are used to record, store and manage video footage from IP-based CCTV camera systems.
NVRs are specifically designed to work with IP cameras connected through a network. They are an essential part of modern video surveillance systems and are commonly used in homes, offices, retail stores, warehouses, commercial buildings and larger security installations.
Compared with older analogue recorder setups, NVR systems can support high-resolution video, network connectivity, remote viewing, flexible camera expansion and advanced recording features, depending on the recorder and camera models selected.
Shop CTC Communications for Network Video Recorders from trusted CCTV and surveillance brands, with options for small residential systems through to larger commercial and enterprise-style installations.
| Brand | Common Use | Browse |
|---|---|---|
| Dahua | Professional IP CCTV systems, smart surveillance and compatible Dahua camera installations. | Dahua NVRs |
| Hikvision | Residential, commercial and business IP camera systems using Hikvision equipment. | Hikvision NVRs |
| HiLook | Cost-effective CCTV recording for compatible HiLook IP camera systems. | HiLook NVRs |
| IDIS | Commercial and professional surveillance systems using compatible IDIS cameras and equipment. | IDIS NVRs |
| Panasonic | Selected professional CCTV and surveillance recording applications. | Panasonic NVRs |
| TruVision | Business and commercial CCTV recording with compatible TruVision surveillance equipment. | TruVision NVRs |
| Uniarch | Practical NVR solutions for compatible Uniarch IP camera systems. | Uniarch NVRs |
| Hanwha Vision | Professional IP surveillance recording and compatible Hanwha camera systems. | Hanwha Vision NVRs |
Network Video Recorders are available in different channel sizes. The channel count indicates how many IP cameras the recorder can support. Choosing the right channel size is important for both current camera coverage and future expansion.
| NVR Channel Size | Common Use | Best For |
|---|---|---|
| 4 Channel NVR | Supports up to 4 IP cameras. | Small homes, units, small offices and compact CCTV systems. |
| 8 Channel NVR | Supports up to 8 IP cameras. | Homes, shops, small businesses and medium camera coverage. |
| 16 Channel NVR | Supports up to 16 IP cameras. | Larger homes, warehouses, offices and commercial properties. |
| 32 Channel NVR | Supports up to 32 IP cameras. | Commercial buildings, schools, strata properties and larger sites. |
| 64 Channel NVR | Supports larger multi-camera surveillance systems. | Large commercial, industrial and multi-area CCTV installations. |
| 128 Channel NVR | Supports high-capacity IP camera networks. | Enterprise-style sites, major facilities and large-scale surveillance systems. |
NVR storage capacity determines how much video footage can be retained before older footage is overwritten. Storage requirements depend on camera resolution, recording schedule, frame rate, compression settings, number of cameras and retention period.
Network Video Recorders typically support internal surveillance hard drives, and selected models may support additional storage bays, external storage, NAS options or cloud-connected features depending on the product and system design.
Browse compatible CCTV hard drives, CCTV monitors and CCTV network switches.
Not sure how much recording capacity your system needs? Read our guide, How Much CCTV Storage Do You Need?, for a practical explanation of camera resolution, bitrate, continuous vs motion recording, retention periods and NVR hard-drive sizing.
Both NVRs and DVRs are used for video recording, but the main difference is the type of camera system they support. NVRs are used with IP cameras, while DVRs are used with analogue or coaxial camera systems.
| Recorder Type | Camera Type | How Video Is Transmitted | Best For |
|---|---|---|---|
| NVR | IP cameras | Video data is transmitted over the network, usually through Ethernet cabling. | Modern IP CCTV systems, higher-resolution cameras and scalable networked surveillance. |
| DVR | Analogue or HD-over-coax cameras | Video is transmitted through coaxial cabling to the recorder. | Existing analogue camera systems or sites using coaxial cabling infrastructure. |
Choosing the right Network Video Recorder helps ensure your CCTV system records reliably, supports your cameras and provides the storage and features your property requires.
Read more on our Network Video Recorder FAQs or see our blog, How to Choose the Right Network Video Recorder for Your Home or Business.
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