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Ajax Systems H2DAC NVR Recorder 8 Channels with 4K Resolution
Surveillance Video Recorders

Ajax Systems H2DAC NVR Recorder 8 Channels with 4K Resolution

Key features:

  • Support for 8 IP channels
  • 2 SATA slots up to 16TB
  • JetSparrow technology
  • 4K HDMI video output

Enjoy lightning-fast and secure 4K video management with advanced JetSparrow technology.

See full description

Top specs

  • 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.

  • 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

    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.

  • 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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Product report

Description

Description

At a glance

  • Support for 8 IP channels: Manage up to 8 Ajax or third-party cameras via ONVIF Profile S.
  • 2 SATA slots up to 16TB: Capacity up to 32TB in total with Hot Swap support.
  • JetSparrow technology: Fast and encrypted video stream transmission.
  • HDMI 4K image output: Direct high-resolution display on a monitor.

Uninterrupted Data Storage

Organize your content easily thanks to the 2 SATA 3.5" bays for drives up to 16TB each. With Hot Swap functionality, you can replace the drives without interrupting system operation. In addition, you can choose Redundancy Mode for automatic backup creation or Split Mode for balanced distribution of your recordings.

Control and High Security

Manage your cameras live through the Ajax apps and the built-in VMS. Thanks to JetSparrow technology and the 4K HDMI output, you get top-definition video. At the same time, you protect your data with encrypted TLS connections, 2FA authentication, and a digital signature when exporting videos.

Specifications

  • IP channels: 8
  • Supported cameras: Ajax IP Cameras & ONVIF Profile S (RTSP)
  • Storage: 2 × SATA 3.5" (up to 16TB each), Hot Swap support
  • Recording modes: Redundancy Mode, Split Mode
  • Video output: HDMI 4K
  • Transmission technology: JetSparrow
  • Image compression: H.265 / H.264
  • VMS functions: Motion Detection, alarm Video Verification, automatic camera search
  • Security: TLS encryption, 2FA & biometric access protection, export digital signature, NDAA
  • USB ports: 3 × USB 2.0 Type-A
  • Power supply: 100–240VAC, 50/60Hz, 5A
  • Maximum power consumption: 85W
  • Protection rating: IP20
  • Dimensions: 330 × 330 × 44 mm
  • Weight: 3,300 g (without hard drives)

Package Contents

  • NVR Recorder H2DAC (8ch)
  • Mounting brackets for Rack installation (Rack brackets)

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
8

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)
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
HDMI, USB

Ports

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.
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
No

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
16 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

At a glance

  • Support for 8 IP channels: Manage up to 8 Ajax or third-party cameras via ONVIF Profile S.
  • 2 SATA slots up to 16TB: Capacity up to 32TB in total with Hot Swap support.
  • JetSparrow technology: Fast and encrypted video stream transmission.
  • HDMI 4K image output: Direct high-resolution display on a monitor.

Uninterrupted Data Storage

Organize your content easily thanks to the 2 SATA 3.5" bays for drives up to 16TB each. With Hot Swap functionality, you can replace the drives without interrupting system operation. In addition, you can choose Redundancy Mode for automatic backup creation or Split Mode for balanced distribution of your recordings.

Control and High Security

Manage your cameras live through the Ajax apps and the built-in VMS. Thanks to JetSparrow technology and the 4K HDMI output, you get top-definition video. At the same time, you protect your data with encrypted TLS connections, 2FA authentication, and a digital signature when exporting videos.

Specifications

  • IP channels: 8
  • Supported cameras: Ajax IP Cameras & ONVIF Profile S (RTSP)
  • Storage: 2 × SATA 3.5" (up to 16TB each), Hot Swap support
  • Recording modes: Redundancy Mode, Split Mode
  • Video output: HDMI 4K
  • Transmission technology: JetSparrow
  • Image compression: H.265 / H.264
  • VMS functions: Motion Detection, alarm Video Verification, automatic camera search
  • Security: TLS encryption, 2FA & biometric access protection, export digital signature, NDAA
  • USB ports: 3 × USB 2.0 Type-A
  • Power supply: 100–240VAC, 50/60Hz, 5A
  • Maximum power consumption: 85W
  • Protection rating: IP20
  • Dimensions: 330 × 330 × 44 mm
  • Weight: 3,300 g (without hard drives)

Package Contents

  • NVR Recorder H2DAC (8ch)
  • Mounting brackets for Rack installation (Rack brackets)

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
8

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)
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
HDMI, USB

Ports

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.
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
No

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
16 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.