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Dahua NVR2104-4KS3 NVR Recorder
Surveillance Video Recorders

Dahua NVR2104-4KS3 NVR Recorder

The Dahua NVR2104-4KS3 NVR supports 4 IP channels and accepts an incoming bandwidth of 80 Mbps, with an outgoing bandwidth of 60 Mbps. It supports recording at resolutions up to 12 MP and Smart...

The Dahua NVR2104-4KS3 NVR supports 4 IP channels and accepts an incoming bandwidth of 80 Mbps, with an outgoing bandwidth of 60 Mbps. It supports recording at resolutions up to 12 MP and Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG compression. The SMD Plus feature performs secondary filtering of people and vehicles, while perimeter protection covers...

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Top specs

  • Type

    NVR

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

  • 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.

    80

  • 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.

  • ONVIF

    ONVIF is a protocol that allows cameras and recorders from different manufacturers to communicate with each other.

  • Ports

    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.

    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.

    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).

  • 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.)
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Description

Description

The Dahua NVR2104-4KS3 NVR supports 4 IP channels and accepts an incoming bandwidth of 80 Mbps, with an outgoing bandwidth of 60 Mbps. It supports recording at resolutions up to 12 MP and Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG compression. The SMD Plus feature performs secondary filtering of people and vehicles, while perimeter protection covers 4 channels.

Playback and decoding support different numbers of channels depending on the resolution and whether AI features are enabled. For storage, it has a SATA slot for one hard drive of up to 20 TB, which is not included. The HDMI and VGA ports allow direct connection to a monitor, while the USB 2.0 ports support peripherals and backups.

  • Type: NVR
  • IP channels: 4
  • Incoming bandwidth: 80 Mbps
  • Outgoing bandwidth: 60 Mbps
  • Maximum recording resolution: 12 MP
  • Video compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
  • Vehicle detection: Yes
  • Video analytics: SMD Plus and perimeter protection on 4 channels
  • HDD slots: 1 SATA
  • Maximum capacity per drive: 20 TB
  • Hard drive: Not included
  • Compatibility: ONVIF 22.12 (Profile T, Profile S, Profile G), CGI, SDK
  • Network ports: 1 RJ-45 10/100 Mbps
  • Video ports: 1 HDMI, 1 VGA
  • USB ports: 2 USB 2.0
  • Audio input/output: 1/1 RCA
  • Power supply: 12 V DC, 1.5 A
  • Power consumption: 10 W without a hard drive
  • Operating temperature: -10 °C to +55 °C
  • Dimensions: 204.6 × 206.4 × 45.6 mm
  • Weight: 0.45 kg

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.
WiFi
No

WiFi

Specifies whether the device can connect wirelessly to your router (Wi-Fi)
Number of POE
12

Number of POE

Specifies how many IP cameras can be connected directly to the recorder (NVR) and powered by it. Each PoE port provides power and data through the same cable (plug-and-play).
Incoming Bandwidth
80 Mbps

Incoming Bandwidth: 80

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
No

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.
Ports
VGA, HDMI, USB, PoE

Ports

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.
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.

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).
ONVIF
Yes

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
No

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
1

HDD Slots

The number of internal hard drives (SATA) that can be installed simultaneously in the recorder.
Maximum Capacity per Disk
20 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

Description & Specifications

The Dahua NVR2104-4KS3 NVR supports 4 IP channels and accepts an incoming bandwidth of 80 Mbps, with an outgoing bandwidth of 60 Mbps. It supports recording at resolutions up to 12 MP and Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG compression. The SMD Plus feature performs secondary filtering of people and vehicles, while perimeter protection covers 4 channels.

Playback and decoding support different numbers of channels depending on the resolution and whether AI features are enabled. For storage, it has a SATA slot for one hard drive of up to 20 TB, which is not included. The HDMI and VGA ports allow direct connection to a monitor, while the USB 2.0 ports support peripherals and backups.

  • Type: NVR
  • IP channels: 4
  • Incoming bandwidth: 80 Mbps
  • Outgoing bandwidth: 60 Mbps
  • Maximum recording resolution: 12 MP
  • Video compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
  • Vehicle detection: Yes
  • Video analytics: SMD Plus and perimeter protection on 4 channels
  • HDD slots: 1 SATA
  • Maximum capacity per drive: 20 TB
  • Hard drive: Not included
  • Compatibility: ONVIF 22.12 (Profile T, Profile S, Profile G), CGI, SDK
  • Network ports: 1 RJ-45 10/100 Mbps
  • Video ports: 1 HDMI, 1 VGA
  • USB ports: 2 USB 2.0
  • Audio input/output: 1/1 RCA
  • Power supply: 12 V DC, 1.5 A
  • Power consumption: 10 W without a hard drive
  • Operating temperature: -10 °C to +55 °C
  • Dimensions: 204.6 × 206.4 × 45.6 mm
  • Weight: 0.45 kg

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Type
NVR

Type

NVR
Recorder that uses IP cameras and network connection for video recording and management.
WiFi
No

WiFi

Specifies whether the device can connect wirelessly to your router (Wi-Fi)
Number of POE
12

Number of POE

Specifies how many IP cameras can be connected directly to the recorder (NVR) and powered by it. Each PoE port provides power and data through the same cable (plug-and-play).
Incoming Bandwidth
80 Mbps

Incoming Bandwidth: 80

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
No

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.
Ports
VGA, HDMI, USB, PoE

Ports

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.
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.

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).
ONVIF
Yes

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
No

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
1

HDD Slots

The number of internal hard drives (SATA) that can be installed simultaneously in the recorder.
Maximum Capacity per Disk
20 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.