For the operation of IP cameras, only network-type video recorders are used. These devices are responsible for recording, processing and storage of data. Network-type DVRs consist of a processor, a drive, a control unit and connecting ports.
The main parameters include resolution and recording speed. Also, the manufacturer on the product indicates the frequency of modification. The average cost of an IP video recorder in the region of 10 thousand rubles.
Trassir Model Features
The Trassir network video recorder is made with an integrated 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 reviews of specialists, the control unit is used in good quality. The PP port is provided in this case. The compression ratio of the modification is 80%. Resolution 700p device supports. To increase the speed of data processing, an expander is used. The indicated device costs about 12 thousand rubles in the store.
Features modification Focus
The DVR of this series is very popular in security agencies. An important difference between the model is the high operating frequency. Resolution 600r it supports without problems. The manual operation mode of the modification is available. In total, up to five IP cameras can be connected. PP port has good conductivity.
If you trust the reviews of specialists, then the model consumes little electricity. The data transfer rate of the DVR is 80 Mbps. Resolution 400p model supports. The processor at the dashcam uses a dual-core type. In total, the device has three modes for searching. A motion detector is provided in this case. The indicated IP-DVR costs about 9300 rubles.
Description of the Dahua DH-NVR4122W-P DVR
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. 400p Resolution The specified IP DVR supports. If you trust the reviews of experts, then malfunctions in the control unit occur rarely. The system of protection against data formatting is used in the third class. In total, the model is capable of supporting up to three IP cameras.
Her PP port is well protected. The resolution of 600r specified IP-DVR does not support. The speed of recording information from the modification is a maximum of 55 ks. If you believe the reviews of experts, the recording occurs without fail. For security companies, this DVR is not bad. However, it is important to keep in mind that his compression ratio is a maximum of 87%. The DVR of the presented series is worth no more than 13 thousand rubles.
Specifications Dahua DH-NVR4145W-P
For security agencies, a 16-channel network video recorder of this series is great. The processor has a dual-core type. If you trust the reviews of experts, the expanders are used in high quality. In total, the DVR has two filters. PP port works well. In total, the device is capable of supporting no more than three IP cameras. With data processing problems arise infrequently. The system of protection against information formatting is applied to the third degree.
If you trust the reviews of experts, then malfunctions in the control unit occur very rarely. 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 writing 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 modification Hikvision DS-9016 HFI-SH
These models of DVRs boast a high data transfer rate. They are great for connecting motion sensors. The operating frequency of this DVR is not more than 55 Hz. If you trust the reviews of specialists, then the system of protection against data formatting is pretty 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 Mbps per second. Time and date modes are available in this case. The indicated DVR (network) costs around 11 thousand rubles.
Description of the Hikvision DS-9025 HFI-SH DVR
These DVRs allow you to connect up to five cameras. The expander used in the modification is of the wave type. If you trust the reviews of specialists, the control unit is used in high quality. The processor of the model is built-in type, and it has two cores. There is a connector for connecting motion sensors. It is also important to note that this DVR has good conductivity. Its operating frequency is a maximum of 50 Hz.
The operating system is applied by Linux. The PP port for the modification is available. 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 for this DVR is -15 degrees. There is a model on the shelves no more than 12 thousand rubles.
Characteristics of the Lorex model
The video recorder (network) of this series is made with a dual-core processor. Its operating frequency is 45 Hz. In total, up to five IP cameras can be connected to the model. The system of protection against data formatting is provided by the manufacturer. Special attention should be paid to the modification of the high parameter of information transfer, which is as much as 75 Mbit per second.
If you trust the reviews of experts, then malfunctions in the control unit occur extremely rarely. Resolution 600p this device supports. The permissible temperature level for this DVR is -10 degrees. The case of this device is not protected from high humidity. This DVR costs around 10,200 rubles.
Features modification Hikvision DS-9048 HFI-SH
The specified DVR (network) is in great demand. It is a good fit for connecting motion sensors. In total, he has three ports of PP. A system for protecting against data formatting is provided for in the second class. It is also important to mention that the compression parameter is at around 67%.
Resolution 600r this DVR supports. Unfortunately, the model does not have a time mode. The operating system for the equipment is used by Linux. If you trust the reviews of specialists, then it works without failures. There is a video recorder of the specified series in the region of 8300 rubles.
Description of the ATIS ABR-04BE DVR
This digital network video recorder is made with a multi-channel control unit. The expander is used wave type. If you trust the reviews of specialists, then setting up the model is quite simple. In total, she has three ports of PP. Resolution 500r modification supports. Unfortunately, there is no system for protecting against information formatting.
It is also important to note that the model does not have a very high data transfer rate. The compression rate of the DVR is at around 50%. The case of the model is well protected from high humidity. No connectors are provided for connecting motion sensors. Resolution 700p model supports. Manual operation by the manufacturer is provided. On the market, the specified video recorder (network) is sold at a price of 12 thousand rubles.
NVR Model Features
NVR NVRs are quite high. First of all, a good information transfer rate, which is 65 Mbps, deserves attention. If you trust the reviews of experts, then the cameras can be connected easily. The configuration of the modules in this case is automatic. It is also important to note that the modification of the presented series supports a resolution of 600r.
There is no system for protecting against data formatting from the DVR. It is also important to note that the case is afraid of high humidity. Resolution 800p model of the specified series does not support. The modification compression parameter is at around 76%. Intelligent search mode in this case is available. Setting up a camera for data processing is quite simple. The expander in the DVR of this series is used wave type. The model costs an average of 10 thousand rubles.