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Hikvision DVR NVR DS-7616NXI-K2
Surveillance Video Recorders

Hikvision DVR NVR DS-7616NXI-K2

Key features:

  • Type: Network Video Recorder (NVR)
  • Number of channels: 16
  • Resolution up to 4MP
  • Compression technology: H.265+
  • Supports up to 10TB per HDD
See full description

  • Type

    NVR

    Recorder that uses IP cameras and network connection for video recording and management.

  • Number of Channels

    The maximum number of cameras that can be connected to and managed by the recorder

  • Resolution

    4K

    The highest resolution available on the market (also known as 8 Megapixels). It offers 4 times more detail than Full HD. This is cinematic quality that allows for maximum possible zoom to recognize critical details, even from a great distance.

  • Incoming Bandwidth

    This is the actual processing power of the recorder. It determines how much "load" (data) it can handle simultaneously from all cameras. A high number is necessary for many channels at high 4K resolution.


    • Example 1: You have 4 cameras of 5MP (each requiring ~8 Mbps). A total of ~32 Mbps is required. An NVR with 80 Mbps Incoming Bandwidth is more than enough.
    • Example 2: You have 16 cameras of 4K (each requiring ~12 Mbps). A total of ~192 Mbps is required. An NVR with 160 Mbps is not enough and will "lose" cameras or reduce their quality. Here, you need an NVR with at least 256 Mbps.

    160

  • HDD Slots

    The number of internal hard drives (SATA) that can be installed simultaneously in the recorder.

  • Maximum Capacity per Disk

    The maximum size (in TB - Terabytes) of the hard drive that the device "recognizes" and supports in each slot.

  • Ports

    PoE

    These ports allow you to connect IP cameras directly to the recorder. The camera receives power and transmits video through the same network cable, making installation extremely simple (plug-and-play).

    VGA

    An analog video output. Used to connect the recorder to older computer monitors.

    HDMI

    The digital output for video and audio. It is the standard way to connect the recorder to a modern TV or monitor (PC) and view your cameras in high resolution.

    Alarm Input

    Physical ports (terminals) that allow external sensors (e.g., door magnetic contact, radar) to send a "command" to the recorder (e.g., "The door just opened, start recording or send a notification").

    Alarm Output

    Physical ports (terminals) that allow the recorder to give a "command" to external devices. For example, "As soon as I detect a person, activate an external siren or turn on the lights."

    USB

    Its main use is to connect a mouse for menu navigation and settings. Additionally, it is used to connect a USB stick (flash drive) in order to export (take a backup of) specific video clips that interest you.

  • Video Compression

    H.265+

    Smart version of H.265, designed for 4K/8K surveillance. It offers very low bandwidth in static scenes, combining high image quality with significant storage space savings.

    • The standard supports approximately 50–60 days of continuous recording on a 2TB hard drive 

    (Values and durations are indicative and based on standard settings. Actual performance may vary depending on resolution, frame rate, scene movement, and hardware.)
  • See all

Number of channels outputs

  1. 8

    from 341,68 €

  2. 16

    from 331,28 €

Product report

Description

Description

Monitoring Device

The DS-7616NXI-K2 features up to 16 IP camera inputs, providing flexibility and scalability for users who want to expand their security systems. The recorder supports H.265+/H.265/H.264+/H.264 video formats, allowing users to choose the optimal compression technology for their specific application. Additionally, the recorder has an incoming bandwidth of up to 160 Mbps, enabling smooth recording and playback of high-quality video. Users can choose from various decoding capabilities, including up to 2-ch@12 MP or 3-ch@8 MP or 6-ch@4 MP or 12-ch@1080p. These features make the DS-7616NXI-K2 a robust surveillance video recorder suitable for a range of security applications.

Surveillance Video Recorder

The DS-7616NXI-K2 adopts Hikvision's Acusense technology to minimize manual effort and security costs. This technology helps filter out false alarms caused by irrelevant events, such as animals, leaves, or shadows. The recorder can recognize people and vehicles, providing users with more accurate alerts for potential security threats. Acusense technology can also classify events as perimeter protection or alarm notification, allowing users to customize their security settings based on their specific needs. This feature enhances the overall efficiency and effectiveness of the recorder in detecting security incidents.

At a glance!

  • Supports 16 IP camera inputs
  • Supports H.265+/H.265/H.264+/H.264 video formats
  • Up to 160 Mbps incoming bandwidth
  • Decoding capacity up to 2ch@12 MP or 3ch@8 MP or 6ch@4 MP or 12ch@1080p
  • Adopts Hikvision's Acusense technology to minimize false alarms and security costs
  • Recognizes people and vehicles for more accurate alerts
  • Classifies events as perimeter protection or alarm notification for customized security settings

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Specifications

Type
NVR

Type

NVR
Recorder that uses IP cameras and network connection for video recording and management.
Number of Channels Outputs
16

Number of Channels Outputs

The maximum number of cameras that can be connected to and managed by the recorder
Resolution
4K

Resolution

4K

The highest resolution available on the market (also known as 8 Megapixels). It offers 4 times more detail than Full HD. This is cinematic quality that allows for maximum possible zoom to recognize critical details, even from a great distance.
WiFi
No

WiFi

Specifies whether the device can connect wirelessly to your router (Wi-Fi)
Εισερχόμενο Εύρος Ζώνης
160 Mbps

Εισερχόμενο Εύρος Ζώνης: 160

This is the actual processing power of the recorder. It determines how much "load" (data) it can handle simultaneously from all cameras. A high number is necessary for many channels at high 4K resolution.


  • Example 1: You have 4 cameras of 5MP (each requiring ~8 Mbps). A total of ~32 Mbps is required. An NVR with 80 Mbps Incoming Bandwidth is more than enough.
  • Example 2: You have 16 cameras of 4K (each requiring ~12 Mbps). A total of ~192 Mbps is required. An NVR with 160 Mbps is not enough and will "lose" cameras or reduce their quality. Here, you need an NVR with at least 256 Mbps.
Gigabit Port
Yes

Gigabit Port

Specifies the speed of the wired network connection (LAN). "Gigabit" (1000 Mbps) is 10 times faster than standard "Fast Ethernet" (100 Mbps). It is essential for multi-channel 4K NVRs to handle the large volume of data from the cameras without delay.
Θύρες
PoE, VGA, HDMI, Alarm Input, Alarm Output, USB

Θύρες

PoE

These ports allow you to connect IP cameras directly to the recorder. The camera receives power and transmits video through the same network cable, making installation extremely simple (plug-and-play).

VGA

An analog video output. Used to connect the recorder to older computer monitors.

HDMI
The digital output for video and audio. It is the standard way to connect the recorder to a modern TV or monitor (PC) and view your cameras in high resolution.
Alarm Input
Physical ports (terminals) that allow external sensors (e.g., door magnetic contact, radar) to send a "command" to the recorder (e.g., "The door just opened, start recording or send a notification").
Alarm Output
Physical ports (terminals) that allow the recorder to give a "command" to external devices. For example, "As soon as I detect a person, activate an external siren or turn on the lights."
USB

Its main use is to connect a mouse for menu navigation and settings. Additionally, it is used to connect a USB stick (flash drive) in order to export (take a backup of) specific video clips that interest you.
ONVIF
No

ONVIF

ONVIF is a protocol that allows cameras and recorders from different manufacturers to communicate with each other.
Video Compression
H.265+

Video Compression

H.265+

Smart version of H.265, designed for 4K/8K surveillance. It offers very low bandwidth in static scenes, combining high image quality with significant storage space savings.

  • The standard supports approximately 50–60 days of continuous recording on a 2TB hard drive 

(Values and durations are indicative and based on standard settings. Actual performance may vary depending on resolution, frame rate, scene movement, and hardware.)

Smart AI Detection

Human Detection
Yes

Human Detection

The technology recognizes human shapes in real time. Ideal for security, area monitoring, or alarms, reducing false alarms caused by other objects.
Vehicle Detection
Yes

Vehicle Detection

Recognizes and tracks vehicles, distinguishing them from other objects. Useful for parking, traffic management, or road surveillance.

HDD

HDD Slots
2

HDD Slots

The number of internal hard drives (SATA) that can be installed simultaneously in the recorder.
Maximum Capacity per Disk
10 TB

Maximum Capacity per Disk

The maximum size (in TB - Terabytes) of the hard drive that the device "recognizes" and supports in each slot.
Includes Hard Drive
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (3)

Reviews

4.5
3
4.5
Review this product
  1. 1
  2. 1
  3. 3 stars
    0
  4. 1
  5. 1 star
    0
Review this product

Reviews by our members

  • oik72
    4
    2 out of 2 members found this review helpful
    oik72

    Verified purchase

    This review is about the number of channels outputs: 8

    Very good choice of recorder without freezes. It requires some familiarity with its operating system, especially for a beginner, but it is learned easily. Its fan makes a bit of noise, but with a little hacking, I fixed it by choosing a "silent" one combined with a temperature controller set to 40°C. I don't know how high the temperature went before, but it definitely reached 55°C (I am referring to the temperature of the heatsink, of course).

    Translated from Greek ·
    Did you find this review helpful?
  • MicheM
    2
    5 out of 5 members found this review helpful
    MicheM
    This review is about the number of channels outputs: 8

    I bought it because of Acusense in order to utilize 2 older Hikvision cameras. Acusense does its job on these cameras, albeit with limited capabilities compared to modern Acusense cameras, providing the ability for region detection, line crossing detection, etc.
    During use, I noticed a problem with the pre-record time in continuous or scheduled recording. The event playback mode does not work properly and regardless of the set pre-record time, the event playback starts 3 to 5 seconds later, resulting in the target being missed many times.
    I decided to upgrade the firmware and to my surprise, there was no new firmware on the European page, only on the global page of Hikvision, despite the device being intended for Europe. There was no firmware on the Netherlands and UK ftp, only a reference to incorrect firmware K51 in excel format.
    Despite the upgrade to 4.73.006, the problem with the pre-record time was not resolved. The completely illogical thing is that if the recording is not continuous, but only event recording, the pre-record and post-record times work properly

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    hackerwerger

    Verified purchase

    This review is about the number of channels outputs: 8

    Very good recorder for its price, I have connected it with a tp-link poe switch for the IP cameras.

    Translated from Greek ·
    Did you find this review helpful?
  • oik72
    4
    oik72

    Very good choice of recorder without freezes. It requires some familiarity with its operating system, especially for a beginner, but it is learned easily. Its fan makes a bit of noise, but with a little hacking, I fixed it by choosing a "silent" one combined with a temperature controller set to 40°C. I don't know how high the temperature went before, but it definitely reached 55°C (I am referring to the temperature of the heatsink, of course).

    Translated from Greek ·
    2
  • MicheM
    2
    MicheM

    I bought it because of Acusense in order to utilize 2 older Hikvision cameras. Acusense does its job on these cameras, albeit with limited capabilities compared to modern Acusense cameras, providing the ability for region detection, line crossing detection, etc.
    During use, I noticed a problem with the pre-record time in continuous or scheduled recording. The event playback mode does not work properly and regardless of the set pre-record time, the event playback starts 3 to 5 seconds later, resulting in the target being missed many times.
    I decided to upgrade the firmware and to my surprise, there was no new firmware on the European page, only on the global page of Hikvision, despite the device being intended for Europe. There was no firmware on the Netherlands and UK ftp, only a reference to incorrect firmware K51 in excel format.
    Despite the upgrade to 4.73.006, the problem with the pre-record time was not resolved. The completely illogical thing is that if the recording is not continuous, but only event recording, the pre-record and post-record times work properly

    Translated from Greek ·
    5
  • 5
    hackerwerger

    Very good recorder for its price, I have connected it with a tp-link poe switch for the IP cameras.

    Translated from Greek ·
    0
  • See all

Description & Specifications

Monitoring Device

The DS-7616NXI-K2 features up to 16 IP camera inputs, providing flexibility and scalability for users who want to expand their security systems. The recorder supports H.265+/H.265/H.264+/H.264 video formats, allowing users to choose the optimal compression technology for their specific application. Additionally, the recorder has an incoming bandwidth of up to 160 Mbps, enabling smooth recording and playback of high-quality video. Users can choose from various decoding capabilities, including up to 2-ch@12 MP or 3-ch@8 MP or 6-ch@4 MP or 12-ch@1080p. These features make the DS-7616NXI-K2 a robust surveillance video recorder suitable for a range of security applications.

Surveillance Video Recorder

The DS-7616NXI-K2 adopts Hikvision's Acusense technology to minimize manual effort and security costs. This technology helps filter out false alarms caused by irrelevant events, such as animals, leaves, or shadows. The recorder can recognize people and vehicles, providing users with more accurate alerts for potential security threats. Acusense technology can also classify events as perimeter protection or alarm notification, allowing users to customize their security settings based on their specific needs. This feature enhances the overall efficiency and effectiveness of the recorder in detecting security incidents.

At a glance!

  • Supports 16 IP camera inputs
  • Supports H.265+/H.265/H.264+/H.264 video formats
  • Up to 160 Mbps incoming bandwidth
  • Decoding capacity up to 2ch@12 MP or 3ch@8 MP or 6ch@4 MP or 12ch@1080p
  • Adopts Hikvision's Acusense technology to minimize false alarms and security costs
  • Recognizes people and vehicles for more accurate alerts
  • Classifies events as perimeter protection or alarm notification for customized security settings

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Type
NVR

Type

NVR
Recorder that uses IP cameras and network connection for video recording and management.
Number of Channels Outputs
16

Number of Channels Outputs

The maximum number of cameras that can be connected to and managed by the recorder
Resolution
4K

Resolution

4K

The highest resolution available on the market (also known as 8 Megapixels). It offers 4 times more detail than Full HD. This is cinematic quality that allows for maximum possible zoom to recognize critical details, even from a great distance.
WiFi
No

WiFi

Specifies whether the device can connect wirelessly to your router (Wi-Fi)
Εισερχόμενο Εύρος Ζώνης
160 Mbps

Εισερχόμενο Εύρος Ζώνης: 160

This is the actual processing power of the recorder. It determines how much "load" (data) it can handle simultaneously from all cameras. A high number is necessary for many channels at high 4K resolution.


  • Example 1: You have 4 cameras of 5MP (each requiring ~8 Mbps). A total of ~32 Mbps is required. An NVR with 80 Mbps Incoming Bandwidth is more than enough.
  • Example 2: You have 16 cameras of 4K (each requiring ~12 Mbps). A total of ~192 Mbps is required. An NVR with 160 Mbps is not enough and will "lose" cameras or reduce their quality. Here, you need an NVR with at least 256 Mbps.
Gigabit Port
Yes

Gigabit Port

Specifies the speed of the wired network connection (LAN). "Gigabit" (1000 Mbps) is 10 times faster than standard "Fast Ethernet" (100 Mbps). It is essential for multi-channel 4K NVRs to handle the large volume of data from the cameras without delay.
Θύρες
PoE, VGA, HDMI, Alarm Input, Alarm Output, USB

Θύρες

PoE

These ports allow you to connect IP cameras directly to the recorder. The camera receives power and transmits video through the same network cable, making installation extremely simple (plug-and-play).

VGA

An analog video output. Used to connect the recorder to older computer monitors.

HDMI
The digital output for video and audio. It is the standard way to connect the recorder to a modern TV or monitor (PC) and view your cameras in high resolution.
Alarm Input
Physical ports (terminals) that allow external sensors (e.g., door magnetic contact, radar) to send a "command" to the recorder (e.g., "The door just opened, start recording or send a notification").
Alarm Output
Physical ports (terminals) that allow the recorder to give a "command" to external devices. For example, "As soon as I detect a person, activate an external siren or turn on the lights."
USB

Its main use is to connect a mouse for menu navigation and settings. Additionally, it is used to connect a USB stick (flash drive) in order to export (take a backup of) specific video clips that interest you.
ONVIF
No

ONVIF

ONVIF is a protocol that allows cameras and recorders from different manufacturers to communicate with each other.
Video Compression
H.265+

Video Compression

H.265+

Smart version of H.265, designed for 4K/8K surveillance. It offers very low bandwidth in static scenes, combining high image quality with significant storage space savings.

  • The standard supports approximately 50–60 days of continuous recording on a 2TB hard drive 

(Values and durations are indicative and based on standard settings. Actual performance may vary depending on resolution, frame rate, scene movement, and hardware.)

Smart AI Detection

Human Detection
Yes

Human Detection

The technology recognizes human shapes in real time. Ideal for security, area monitoring, or alarms, reducing false alarms caused by other objects.
Vehicle Detection
Yes

Vehicle Detection

Recognizes and tracks vehicles, distinguishing them from other objects. Useful for parking, traffic management, or road surveillance.

HDD

HDD Slots
2

HDD Slots

The number of internal hard drives (SATA) that can be installed simultaneously in the recorder.
Maximum Capacity per Disk
10 TB

Maximum Capacity per Disk

The maximum size (in TB - Terabytes) of the hard drive that the device "recognizes" and supports in each slot.
Includes Hard Drive
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (3)

4.5
3
4.5
Review this product
  1. 1
  2. 1
  3. 3 stars
    0
  4. 1
  5. 1 star
    0
Review this product

Reviews by our members

  • oik72
    4
    2 out of 2 members found this review helpful
    oik72

    Verified purchase

    This review is about the number of channels outputs: 8

    Very good choice of recorder without freezes. It requires some familiarity with its operating system, especially for a beginner, but it is learned easily. Its fan makes a bit of noise, but with a little hacking, I fixed it by choosing a "silent" one combined with a temperature controller set to 40°C. I don't know how high the temperature went before, but it definitely reached 55°C (I am referring to the temperature of the heatsink, of course).

    Translated from Greek ·
    Did you find this review helpful?
  • MicheM
    2
    5 out of 5 members found this review helpful
    MicheM
    This review is about the number of channels outputs: 8

    I bought it because of Acusense in order to utilize 2 older Hikvision cameras. Acusense does its job on these cameras, albeit with limited capabilities compared to modern Acusense cameras, providing the ability for region detection, line crossing detection, etc.
    During use, I noticed a problem with the pre-record time in continuous or scheduled recording. The event playback mode does not work properly and regardless of the set pre-record time, the event playback starts 3 to 5 seconds later, resulting in the target being missed many times.
    I decided to upgrade the firmware and to my surprise, there was no new firmware on the European page, only on the global page of Hikvision, despite the device being intended for Europe. There was no firmware on the Netherlands and UK ftp, only a reference to incorrect firmware K51 in excel format.
    Despite the upgrade to 4.73.006, the problem with the pre-record time was not resolved. The completely illogical thing is that if the recording is not continuous, but only event recording, the pre-record and post-record times work properly

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    hackerwerger

    Verified purchase

    This review is about the number of channels outputs: 8

    Very good recorder for its price, I have connected it with a tp-link poe switch for the IP cameras.

    Translated from Greek ·
    Did you find this review helpful?
  • oik72
    4
    oik72

    Very good choice of recorder without freezes. It requires some familiarity with its operating system, especially for a beginner, but it is learned easily. Its fan makes a bit of noise, but with a little hacking, I fixed it by choosing a "silent" one combined with a temperature controller set to 40°C. I don't know how high the temperature went before, but it definitely reached 55°C (I am referring to the temperature of the heatsink, of course).

    Translated from Greek ·
    2
  • MicheM
    2
    MicheM

    I bought it because of Acusense in order to utilize 2 older Hikvision cameras. Acusense does its job on these cameras, albeit with limited capabilities compared to modern Acusense cameras, providing the ability for region detection, line crossing detection, etc.
    During use, I noticed a problem with the pre-record time in continuous or scheduled recording. The event playback mode does not work properly and regardless of the set pre-record time, the event playback starts 3 to 5 seconds later, resulting in the target being missed many times.
    I decided to upgrade the firmware and to my surprise, there was no new firmware on the European page, only on the global page of Hikvision, despite the device being intended for Europe. There was no firmware on the Netherlands and UK ftp, only a reference to incorrect firmware K51 in excel format.
    Despite the upgrade to 4.73.006, the problem with the pre-record time was not resolved. The completely illogical thing is that if the recording is not continuous, but only event recording, the pre-record and post-record times work properly

    Translated from Greek ·
    5
  • 5
    hackerwerger

    Very good recorder for its price, I have connected it with a tp-link poe switch for the IP cameras.

    Translated from Greek ·
    0
  • See all
331,28 €
20,00 €   shipping cost