DVR network: models, specifications

For the operation of IP cameras, only network type DVRs are used. These devices are responsible for recording, processing and storing data. There are network-type DVRs from the processor, drive, control unit and connecting ports.

The main parameters include resolution and recording speed. Also, the manufacturer on the goods indicates the frequency of the modification. It is worth an average IP-DVR around 10 thousand rubles.

Characteristics of the Trassir model

DVR network Trassir is produced with a built-in dual-core processor. In total, it is allowed to connect up to three cameras. The conductivity of the device is quite high. If you trust the feedback of experts, then the control unit is of good quality. The port of RR in this case is provided. The compression ratio of the modification is 80%. Resolution 700p device supports. To increase the processing speed, an expander is used. The device in the store costs about 12 thousand rubles.

Features of modification Focus

Videographer of this series is very popular in security agencies. An important difference in the model is the high operating frequency. Resolution 600p it supports without problems. The manual mode of operation of the modification is available. In total, it is allowed to connect up to five IP cameras. The port of PP has good conductivity.

If you trust the reviews of experts, the model consumes little electricity. The transfer speed of the DVR is 80 Mbps. Resolution 400p model supports. The processor uses a dual-core type in the DVR. In total, the device has three modes for searching. The motion detector in this case is provided. The specified IP-DVR costs about 9300 rubles.

Description of DVR Dahua DH-NVR4122W-P

The DVR of this series is made with a dual-core processor. In this case, the operating frequency of the device can be adjusted. There are three modes for searching data. Resolution 400p specified IP-DVR supports. If you trust the reviews of experts, the malfunctioning of the control unit is rare. The system of protection against data formatting is applied in the third class. In total, the model is capable of supporting up to three IP cameras.

The port of RR is well protected. Resolution 600p specified IP-DVR does not support. The speed of information recording in the modification is a maximum of 55 ks. If you believe the feedback of experts, the recording is without failures. For security companies this DVR is not bad. However, it is important to consider that the compression ratio is at most 87%. The DVR of the presented series does not cost more than 13 thousand rubles.

Characteristics of the model Dahua DH-NVR4145W-P

For security agencies, a 16-channel network video recorder of the specified series is well suited. The processor uses a dual-core type. If you trust the reviews of experts, then expanders are of high quality. In total, the DVR has two filters. Port PP works well. In total, the device is capable of supporting no more than three IP cameras. With the processing of data, problems occur infrequently. The system of protection against information formatting is applied in the third degree.

If you trust the feedback of experts, the faults in the operation of the control unit are very rare. However, it is important to consider that the permissible temperature level of the specified DVR is -10 degrees. The case of the modification is not protected from high humidity. Resolution 400p model supports. The data write speed is 55 Mbps. In total, the modification uses four search modes. In the market, the DVR of this series costs around 9400 rubles.

Features of the modification of Hikvision DS-9016 HFI-SH

These models of DVRs boast a high data transfer rate. To connect the motion sensors, they fit perfectly. The operating frequency of this DVR is no more than 55 Hz. If you trust the feedback of experts, then the system of protection against data formatting has a fairly high quality.

It is also important to mention that the model uses a wave expander. In total, it is capable of supporting no more than four IP cameras. The write speed of this device is exactly 50 Mbit per second. The time and date modes are in this case. It costs the specified DVR (network) in the region of 11 thousand rubles.

Description of the Hikvision DS-9025 HFI-SH

These DVRs allow you to connect up to five cameras. The expander in the modification is of the wave type. If you trust the feedback of experts, then the control unit is of high quality. The processor has a built-in type, and it has two cores. To connect the motion sensors connector is available. It is also important to note that this DVR has good conductivity. Its operating frequency is equal to a maximum of 50 Hz.

The operating system is "Linux". The port of RR has a modification. The speed of recording information does not exceed 75 Mbit per second. The date mode in this case is provided. The system of protection against data formatting is available in the second degree. The permissible temperature level of this DVR is -15 degrees. There is a model on the shelves of no more than 12 thousand rubles.

Lorex model specifications

DVR (network) of this series is made with a dual-core processor. The operating frequency is 45 Hz. In total, up to five IP cameras are allowed to be connected to the model. The system of protection against data formatting is provided by the manufacturer. Special attention at modification deserves a high parameter of information transfer, which is as much as 75 Mbit per second.

If you trust the reviews of specialists, then failures in the operation of the control unit are extremely rare. This device supports 600r resolution. The permissible temperature level of this DVR is -10 degrees. The housing of this device from high humidity is absolutely not protected. It is worth this DVR around 10200 rubles.

Features of the modification of Hikvision DS-9048 HFI-SH

The specified DVR (network) is in high demand. To connect the motion sensors, it suits well. In total, he has three PP ports. The system of protection against data formatting is provided in the second class. It is also important to mention that the compression parameter is at the level of 67%.

Resolution 600p this DVR supports. The time mode of the model, unfortunately, is absent. The operating system for the equipment is "Linux". If you trust the reviews of experts, then it works without failures. There is a DVR of the specified series in the region of 8300 rubles.

Description of the ATIS ABR-04BE

This digital network DVR is made with a multi-channel control unit. The extender is of the wave type. If you trust the reviews of specialists, then the model is set up fairly simply. In total, it has three PP ports. Resolution 500p modification supports. The system of protection from information formatting, unfortunately, is absent.

It is also important to note that the model does not have a very high data transfer rate. The compression ratio of the DVR is at the level of 50%. The case of the model is well protected against high humidity. No connection is possible for the motion sensors. Resolution 700p model supports. The manual mode of the manufacturer is provided. In the market, the specified DVR (network) is sold at a price of 12 thousand rubles.

NVR model specifications

NVR network DVRs are quite high. First of all, a good speed of information transfer, which is 65 Mbit per second, deserves attention. If you trust the feedback of experts, then the camera can be connected easily. In this case, the modules are configured in automatic mode. It is also important to note that the modification of the presented series supports a resolution of 600r.

The system does not protect data formatting from the DVR. It is also important to note that the housing is afraid of high humidity. Resolution 800p model of the specified series does not support. The compression parameter of the modification is at the 76% mark. The intelligent search mode is available in this case. Configuring the camera for data processing is quite simple. The extender in the video recorder of this series is applied wave type. The model is worth an average of 10 thousand rubles.