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Comparison Hikvision DS-7716NI-K4/16P vs Hikvision DS-7616NI-K2/16P

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Hikvision DS-7716NI-K4/16P
Hikvision DS-7616NI-K2/16P
Hikvision DS-7716NI-K4/16PHikvision DS-7616NI-K2/16P
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from £287.63 
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Typedigital NVRdigital NVR
Camera connection16 channels16 channels
Features
Features
motion response
motion response
Connectors
RCA audio input11
RCA audio output11
USB 2.022
USB 3.2 gen11
HDMI1
/maximum 3840x2160 px./
Max. HDMI resolution3840x2160 (4K)
VGA1
/maximum 1920x1080 px./
LAN1
/16 PoE ports/
Alarm input164
Alarm output41
Video recording
Bandwidth160/160 Mbps160/160 Mbps
Resolution (all channels)1920x1080 px1920x1080 px
Video compression formatH.265, H.264, MPEG4H.265, H.264, MPEG4
Max. resolution (IP)4096x2160 px4096x2160 px
Drives
Number of SATA42
Max. total capacity
24 TB /4x6TB/
12 TB /2x6TB/
PoE power
PoE (output)802.3af/at802.3af/at
PoE outputs1616
Power per PoE output30 W30 W
Total PoE power200 W200 W
General
Power supply100 – 240В100 – 240В
Power consumption20 W15 W
Operating temperature-10 °C ~ +55 °С-10 °C ~ +55 °С
Maximum humidity90 %90 %
CMS
Dimensions445x390x70 mm385x315x52 mm
Weight5 kg3 kg
Added to E-Catalogseptember 2017september 2017

USB 3.2 gen1

The number of USB 3.2 gen1 ports in the design of the registrar. This interface is used to connect various peripheral devices: USB drives for copying files or updating firmware, keyboards, mice, etc.

Specifically, USB 3.2 gen1 is the successor to USB 2.0. It supports higher data transfer (up to 4.8Gbps) and higher power supply.

Max. HDMI resolution

Maximum HDMI resolution.

The maximum image resolution that can be output via HDMI to the screen of the connected video equipment (monitor, TV, etc.). The HDMI output on the DVR allows you to stream Full HD, 2K or 4K images for high quality multi-screen images.

Alarm input

The number of alarm inputs provided in the design of the registrar.

Alarm inputs allow the recorder to respond to various events and signals from other elements of the security system. For example, a door opening sensor can be connected to such an input, and upon a signal from it, the registrar will turn on the camera above this door. This ensures the automation of the security system and makes it less dependent on the human factor.

Alarm output

The number of alarm outputs provided in the design of the registrar.

Alarm outputs are used to transmit signals from the recorder to other elements of the security system — an alarm siren, electronic locks, spotlights, etc. Thus, the system can automatically respond to events recorded by the registrar — for example, block the doors when moving in the frame.

Number of SATA

The number of SATA connectors provided in the design of the registrar.

SATA is the most popular modern interface for connecting internal drives. One connector allows you to connect one hard drive (or other internal media), that is, the number of such connectors is, in fact, the largest number of separate drives that can be installed inside the recorder at the same time. Basic versions can be equipped with one SATA connector or two. More advanced ones have 4 SATA connectors, and already models for serious objects have much greater connectivity.

Max. total capacity

The largest total storage capacity with which the recorder is able to work correctly. By default, it is indicated only for internal media with a SATA interface (see above), however, in some models, data is also provided separately for external devices connected via eSATA.

Note that the limit on the total capacity follows from the fact that each individual port has its own limit on the capacity of the drive. In this case, the maximum capacity is distributed equally between the ports. This should be taken into account when choosing drives for the registrar: for example, in a 32 TB model with 8 SATA connectors, the limit for each connector will be 32/8 = 4 TB. This means that installing two internal 8 TB disks in such a registrar will not work, although their total capacity will be less than the maximum.
Hikvision DS-7716NI-K4/16P often compared
Hikvision DS-7616NI-K2/16P often compared