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2-Bay Professional Network Video Recorder


The answer to expensive, outdated analogue CCTV surveillance systems has arrived. When coupled with D-Link’s high-resolution and feature rich network cameras or those of other brands, the DNR-326 2-Bay Professional Network Video Recorder (NVR) offers a comprehensive video display, storage, and management solution. D-Link’s DNR-326 provides reliable high-quality remote monitoring functionality at a fraction of the cost of conventional surveillance systems.

Instant Live View

D-Link’s intuitive GUI interface simplifies viewing live and recorded video from the NVR. The camera status page shows connection and recording status, along with frame rate and bit rate information for each camera. The total available recording time for the system is also clearly displayed.

Live Monitoring & Camera Adjustment

Users are provided with a variety of options for viewing and organising camera footage on-screen. For a system with multiple channels, users can simply drag and drop selected cameras to the viewing area. Camera names and recording status are displayed via OSD for easier identification. Presets from within the interface can be set to instantly restore a previously saved view. A single camera may be viewed full screen with optional two-way audio. Users can control pan/tilt/zoom (PTZ) functions from within the interface using the provided interface buttons or by directly clicking on the video.

Extensive Recording Functionality

A clear single-page interface assists with configuration including compression, resolution and frame rate for all connected cameras. The NVR records video from up to nine local and remote network cameras. Once cameras have been set up, a highly configurable scheduling system allows for continuous recording or recording during specifically allotted timeframes. Each camera can be set to record independently at preset intervals. The NVR also provides event recording based on specific triggers such as when motion is detected.

The NVR can be configured to overwrite the oldest data automatically when HDD space runs out, allowing for continuous and uninterrupted recording. Users can specify the number of days the recording should be kept (within the limits of the HDD capacity). For example, if the NVR has the capacity to store 7 days of recording, using the overwrite option, the NVR will record the 8th day and delete the 1st day. The NVR also provides the option to stop recording when the HDD is full. When the disk reaches capacity, a notification can be sent via e-mail or to an external device such as an audible alarm or LED display via a DI/DO interface only.

Powerful Event Management

The NVR centrally controls the digital output, e-mail notifications, and recording for all the connected cameras. Input triggers from camera motion detection or digital input interfaces can additionally be monitored. These events will be logged, with optional notifications via e mail or output devices. Users can set up multiple contact lists for event notification. A straightforward logging system organizes events by date for easy recall.

Intelligent Playback

Searching through recorded data can be tedious and frustrating. However, the NVR’s Smart Search function makes detecting notable events effortless. By selecting a target area on the video and setting search sensitivity, the Smart Search will traverse the video database based on specified search criteria to locate noteworthy events. Search criteria include options such as motion detection, missing or foreign objects, lost focus, or camera occlusion.

After selecting a desired video period for display, the NVR can instantly begin playback. The DNR-326 supports 4-channel simultaneous playback. Playback speed control allows for up to 16x speed fast forward or fast backward play. The step playback option displays one frame at a time. Additionally, users can enhance the recorded video with controls such as brightness, contrast, and sharpness. During playback, if a user uncovers video that needs to be exported, two formats are available. The AVI and ASF file formats will transpose a timestamp on the exported video.

If a printer is connected to the user’s PC, the NVR can also print the selected still image. The D-Link NVR ensures the security and integrity of IP camera footage. Administrators may filter external connections to the NVR by IP address, limiting access and thus increasing security. The NVR also includes the option to protect data using a RAID 1 configuration. RAID 1 duplicates the recordings database onto two separate drives. In the event of a HDD failure, data integrity is maintained on the secondary HDD.

A UPS (Uninterrupted Power Supply) can be used as emergency power for the NVR. The UPS uses a USB interface to notify the NVR to perform a proper shutdown before battery power runs out. In the event of a power failure without a UPS, the NVR will boot up automatically once power is restored. Of course, the security of data is irrelevant unless the device itself is protected from theft. For this reason, the sleek NVR enclosure is compact and easy to conceal in a secure remote location. The rear panel features a cover lock that protects the HDD and a slot for Kensington security locks.

Complete Network Functionality

The D-Link NVR takes advantage of existing network architecture, using features such as PPPoE and ADSL services. The NVR can acquire an IP address from a DHCP server to become easily searchable during installation. Dynamic DNS is supported for systems operating without a fixed IP address. The NVR can then be accessed from the Internet using an easy-to-remember domain name provided by the DDNS service. Maintaining an accurate record of time is essential if recorded data is to be used as evidence. To ensure that the recorded time is always accurate, the NVR can update the system clock from an Internet server using the Network Time Protocol (NTP).

D-ViewCam NVR Software

The D-ViewCam NVR software bundled with the D-Link NVR consists of five main components: Playback Manager, Backup and File Manager, Verification Tool, NVR Search, and Multi-NVR Viewer. The Multi-NVR Viewer supports simultaneous display of up to 128 channels. Easily organize the view by directly dragging and dropping video onto the display window. Cameras managed by the NVR can be viewed as individual sites or categorized into groups. The Playback Manager includes a clean and simple web GUI interface that allows users to play, search, or export video. The Backup and File Manager is a flexible backup utility that simplifies the process of backing up video data from the NVR to external storage. The Verification Tool verifies whether data created by the system has been tampered with by adding a digital signature to each recorded video frame. NVR Search allows you to search for NVR devices in the local area network.

1 Refer to the compatibility list

  • IEEE802.3/u/z
  • Auto MDI/MDI-X

  • HDD reformat
  • RAID 0, 1
  • JBOD

  • Cover lock
  • Security slot for Kensington locks

  • Flash ROM: 32 MB
  • RAM: 128 MB DDR II

  • 1x Gigabit LAN port
  • 1x USB port for USP status update

  • DC 12V / 4A
  • Max. power consumption: 25.20 W
  • Stand-by power consumption: 0.234 W

  • Operation: 0 to 55 °C
  • Storage: -20 to 70 °C

  • 5% to 90% (non-condensing)

Dimensions (W x D x H)
  • 115 x 146.4 x 178.5 mm

  • 0.875 Kg

  • CE
  • FCC
  • RoHS


Operating system
  • Linux

Supported Cameras
  • Supports all D-Link network cameras.
  • Includes support for auto-discovery and megapixel resolution
  • Supports known-brand network cameras including D-Link, Axis, Panasonic, Sony, Mobotix, Arecont Vision, IQinVision, Cisco, and Acti

Recording Performance
  • Max. capacity (NVR mode only):
    • H.264 1080P (bitrate): 90 Mbps
    • H.264 720P (bitrate): 90 Mbps
    • MJPEG 1080P (frame rate): 90 fps
    • MJPEG 720P (frame rate): 192 fps
    Max. capacity (NVR+File Server mode):
    • H.264 1080P (bitrate): 68 Mbps
    • H.264 720P (bitrate): 68 Mbps
    • MJPEG 1080P (frame rate): 70 fps
    • MJPEG 720P (frame rate): 150 fps
Camera Search
  • UPnP

Audio & Video Recording
  • Synchronized audio & video recording

Compression Format
  • H.264, MPEG-4, M-JPEG (for supported cameras)

Video Setting
  • Resolution, quality, frame rate, enable audio, go to camera interface

Recording Type
  • Recording by schedule, manual and event (DI trigger, motion detection from camera)

Remote Live View
  • Supported via IE remote live viewer
  • Maximum 9 simultaneous channels

Remote Live View Control
  • Live view, preset/go, patrol, focus, PTZ functions, snapshot, full screen, digital zoom

Remote Playback Control
  • Playback with normal, fast forward/rewind and step forward/rewind
  • Smart Search intelligent detection function: General Motion, Missing Object, Foreign Object, Camera Occlusion, Lose Focus

Remote Playback
  • Supported via IE and NVR client
  • Playback system with timeline GUI, search by event, area, cameras, date, and time
  • IE & NVR client support four channel simultaneous playback

Overwrite Recording
  • Auto recycling when disk storage is full

File Export
  • Export videos to AVI or ASF file
  • Export images to BMP or JPG file

User Account
  • Additional accounts can be created to allow user access to the system and specify authorization for camera channels, PTZ, etc.

  • D-Link DDNS server support

Reset modes
  • Reset firmware GUI button
  • HW reset button (hold for 5 seconds)

System Time
  • Set the system time (D-Link NTP, input time, sync with computer, Daylight Saving Time)

Remote Backup
  • Remote software can backup raw data to redundant storage
  • Backup recorded data to remote FTP site by daily schedule

  • Camera status
  • System status

Network Service Protocols
  • DHCP Server
  • DHCP Client
  • NTP Client (D-Link)
  • DNS Client
  • DDNS Client (D-Link)
  • SMTP Client
  • HTTP Server
  • PPPoE
  • UPnP
  • IP filtering
  • Samba Server

User Interface
  • HTTP Web browser
  • Internet Explorer 7 or later
  • NVR Search utility
  • Multiple Language GUI

Beschrijving Type Bestandsgrootte
Datasheet (English)
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PDF 5.33mb
Storage Product Guide
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PDF 2.63mb
Beschrijving Type Bestandsgrootte
Manual (English)
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PDF 9.19mb
Snelle Installatie Gidsen
Versie Beschrijving Datum Type Bestandsgrootte
Quick Installation Guide (English)
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PDF 0.49mb
Dit D-Link product bevat software code welke ontwikkeld is door derden, waaronder software code die valt onder de GNU General Public License ("GPL") of GNU Lesser General Public License ("LGPL"). Indien van toepassing: de voorwaarden van de GPL en LGPL en informatie over het verkrijgen van toegang tot de GPL-code en LGPL-code die in dit product zijn gebruikt, zijn hier voor u beschikbaar:
De GPL-code en LGPL-code die gebruikt is in dit product wordt gedistribueerd ZONDER ENIGE GARANTIE en is onderworpen aan de auteursrechten van een of meer auteurs. Voor meer informatie, zie de GPL-code en de LGPL-code voor dit product en de voorwaarden van de GPL en LGPL.
Versie Beschrijving Datum
Download 2.60b01

Release notes and camera support list included

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11/04/2016 0:00:00
Download 2.50b01

Release notes and camera support list included

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3/12/2015 9:10:00
Download 2.40b04

Release notes and camera support list included

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3/11/2015 10:00:00
Download 2.1.5 Device Pack

Device Pack 2.1.5 for the DNR-326

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6/09/2016 0:00:00
Versie Beschrijving Datum
Download 2.6
D-ViewCam NVR PRO for Windows
(inc. Multi-NVR Viewer)
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11/04/2016 0:00:00
NVR Search Utility for Windows
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3/12/2015 9:05:00
NVR Search Utility for MAC
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29/09/2015 8:42:00
Download 1.01
Multi-NVR Viewer
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15/10/2015 11:58:00
DviewCam Mobile Android
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7/06/2016 0:00:00
Download 1.8.2
DviewCam Mobile iOS
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7/06/2016 0:00:00
Additionele Downloads
Versie Beschrijving Datum
Download 2.4

Camera compatibility list

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29/09/2015 8:47:00

HDD compatibility list

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29/09/2015 8:48:00
Download A1
Certificate of Declaration A1 (English, French, Spanish, Portuguese)
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18/11/2011 0:00:00

Product Introduction of DNR-326


Feature Demonstration on Intelligent Search of DNR-326

The "Intelligent Search" is a smart and time-saving feature in DNR-326, it automatically searches the video to identify important events. Two  scenarios are shown in this video:

  • Scenario 1:searching and listing out events of any movement in the target area.
  • Scenario 2: Identifying the person who took the missing object.
DNR-326 Compatible List
1. Hard Disk Compatible List
Brand  Family  Model  Interface  Capacity 
ADATA Premier Pro SP600 SATA 6G 32 GB
ADATA Premier Pro SP900 SATA 6G 64 GB
HGST Deskstar 7K80  HDS728080PLA380  SATA 3G 82.3 GB
HGST Deskstar P7K500  HDP725050GLA360  SATA 3G 500 GB 
HGST Deskstar T7K500  HDT725025VLA380  SATA 3G 250 GB
HGST Deskstar T7K500  HDT725032VLA360  SATA 3G 320 GB
HGST Deskstar 7K1000  HDS721010KLA330  SATA 3G 1 TB
HGST Deskstar 7K160  HDS721680PLA380  SATA 3G 82.3 GB
HGST Deskstar 7K2000 HDS722020ALA330 SATA 3G 2 TB
HGST CinemaStar 7K1000.C HCS721010CLA332 SATA 3G 1 TB
HGST Deskstar7K3000 HDS723030ALA640 SATA 6G 3 TB
HGST Deskstar 5K1000 HDS5C1010CLA382 SATA 3G 1 TB
HGST Deskstar 5K3000 HDS5C3020ALA632 SATA 6G 2 TB
HGST CinemaStar 5K2000 HCS5C2020ALA632 SATA 6G 2 TB
HGST Deskstar 7K3000 HDS723020BLA642 SATA 6G 2 TB
HGST Deskstar 7k1000.D HDS721010DLE630 SATA 6G 1 TB
HGST Deskstar 7K4000 HDS724040ALE640 SATA 6G 4 TB
HGST Ultrastar 7K4000 HUS724040ALE640 SATA 6G 4 TB
Maxtor  DiamondMax 20  STM3160811AS  SATA 3G 160 GB
Maxtor  DiamondMax 22  STM3750330AS  SATA 3G 750 GB
Seagate Barracuda LP ST1500DL003 SATA 6G 1.5 TB 
Seagate Constellation™ ES ST33000650NS SATA 6G 3 TB
Seagate Barracuda  ST1000DM003 SATA 6G 1 TB
Seagate Barracuda  ST2000DM001 SATA 6G 2 TB
Seagate Barracuda XT ST4000DX000 SATA 6G 4 TB
Seagate Constellation ® ES.3 ST4000NM0033 SATA 6G 4 TB 
Seagate Pipeline HD ST1000VM002-1CT162 SATA 6G 1TB
Seagate Barracuda ST1000VX000-1CU162 SATA 6G 1TB
Seagate Pipeline HD ST2000VM003-1CT164 SATA 6G 2TB
Seagate Pipeline HD .2 ST3500312CS SATA 3G 500 GB 
Seagate SV35 ST3000VX000-1CU166 SATA 6G 3TB
Seagate Video 3.5 ST1000VM002-1ET162 SATA 6G 1TB
Seagate NAS HDD ST4000VN000 SATA6G HDD  4TB
Seagate  SV 35.3  ST31000340SV  SATA 3G 1 TB
Seagate  Barracuda XT ST32000641AS SATA 3G 2 TB
Seagate  Barracuda 7200.10  ST3320620AS  SATA 3G 320 GB
Seagate  Barracuda 7200.12  ST31000528AS  SATA 3G 1 TB
Seagate  SV35.4  ST3320410SV  SATA 3G 320 GB
Seagate  Pipeline HD.2  ST3500312CS  SATA 3G 500 GB 
Seagate  Barracuda 7200.11  ST31000333AS  SATA 3G 1 TB
Seagate  Barracuda 7200.11  ST31500341AS  SATA 3G 1.5 TB 
Seagate  Barracuda 7200.10  ST3500630AS  SATA 3G 500 GB 
Seagate  Barracuda ES  ST3750640NS  SATA 3G 750 GB
Seagate  Barracuda LP ST32000542AS SATA 3G 2 TB
Seagate  Barracuda LP ST2000DL003 SATA 6G 2 TB
Seagate  Barracuda XT ST33000651AS  SATA 6G 3 TB
Seagate  Barracuda 7200.12  ST31000524AS SATA 6G 1 TB
Seagate  Barracuda 7200.12 ST3000DM001 SATA 6G 3 TB
Seagate  NAS HDD ST2000VN000 SATA 6G 2TB
Seagate  NAS HDD ST3000VN000 SATA 6G 3TB
Seagate  NAS HDD ST4000VN000 SATA 6G 4TB
Seagate  Constellation ES.3 ST3000NM0033 SATA6G HDD  3TB
Seagate  Video 3.5  ST3000VM002 SATA6G HDD  3TB
Seagate Video 3.5 ST6000NM0024   6TB
TOSHIBA 3.5 inch-Desktop for client DT01ACA100 SATA 6G 1TB
Western Digital WD RE WD4000FYYZ SATA 6G 4 TB
Western Digital RE4 WD1003FBYX-01Y7B1 SATA 3G 1TB
Western Digital GreenPower WD20EURS-63S48Y0 SATA 3G 2 TB
Western Digital RE4 WD2003FYYS-02W0B0 SATA 3G 2TB
Western Digital WD Black WD4001FAEX-00MJRA0 SATA 6G 4TB
Western Digital WD Red WD10EFRX--68PJCN0 SATA6G HDD  1TB
Western Digital WD Red WD30EFRX--68ZUZN0 SATA6G HDD  3TB
Western Digital WD Red WD40EFRX--68WT0N0 SATA6G HDD  4TB
Western Digital WD Red WD20EFRX--68EUZN0 SATA6G HDD  2TB
Western Digital WD Se WD4000F9YZ--09N20L0 SATA6G HDD  4TB
Western Digital SE TR1000S WD1002F9YZ-09H1JL0 SATA 6G 1TB
Western Digital  WD Caviar SE16  WD2500AAKS  SATA 3G 250 GB
Western Digital  WD Caviar GP  WD5000AACS  SATA 3G 500 GB 
Western Digital  WD RE  WD1600YS  SATA 3G 160 GB
Western Digital  Caviar Black  WD5001AALS  SATA 3G 500 GB 
Western Digital  WD RE3  WD5002ABYS  SATA 3G 500 GB 
Western Digital  WD Caviar SE16  WD7500AAKS  SATA 3G 750 GB
Western Digital  WD Raptor  WD1500ADFD  SATA 3G 150 GB
Western Digital  WD Caviar SE16  WD5000AAKS  SATA 3G 500 GB 
Western Digital  WD Caviar ®Green  WD20EADS  SATA 3G 2 TB
Western Digital  VelociRaptor  WD3000HLFS  SATA 3G 300 GB
Western Digital  WD RE2  WD7500AYYS  SATA 3G 750 GB
Western Digital  WD Caviar ®Green  WD6400AARS SATA 3G 640 GB
Western Digital  WD Caviar ®Green  WD20EARS SATA 3G 2 TB
Western Digital  Caviar Black  WD6402AAEX SATA 6G 640 GB
Western Digital  Caviar Black series WD2002FAEX  SATA 6G 2 TB
Western Digital  WD Caviar ®Green  WD30EZRX SATA 6G 3 TB
Western Digital  WD Red WD10EFRX SATA 6G 1 TB
Western Digital  WD Caviar ®Green  WD20EARX SATA 6G 2 TB
Western Digital  WD Red WD30EFRX SATA 6G 3 TB
Western Digital  Purple WD40PURX-64GVNY0 SATA6G HDD  4TB
Western Digital  Red WD60EFRX SATA6G HDD  6TB
Western Digital  Purple WD10PURX SATA6G HDD  3TB
Western Digital  Purple WD20PURX SATA6G HDD  3TB
Western Digital  Purple WD30PURX SATA6G HDD  3TB
Western Digital  Red WD4001FFSX-68JNUN0   4TB
Western Digital  WD RE WD2000FYYZ   2TB

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Zakelijke Voordelen

"D-Link provided an affordable solution with more options, better performance, at a better price. That plus the D-Link people let us meet the tight deadline for the Zoo project."
Stan McNiel
President and Lead Consultant, InLine Network Integration for the Dallas Zoo
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