USA/NVR/Ultra/DHI NVR6A08 64 4K


Specifications Quick Start Guide Manual Firmware
DHI-NVR6A08-64-4K NVR6A08.jpg
Series: Ultra
Compression: H.264/MJPEG
Channels: 64
Input Bandwidth: 384Mbps
Record Bandwidth: 384Mbps
Max Decode: 4ch@4K/16ch@1080P
Video Output: 2 HDMI, VGA
HDD: 8x6TB
RAID: 0/1/5/6/10/50/60
eSATA: 1
Mini SAS: 0
Audio In: 1
Audio Out: 1
Alarm In: 16
Alarm Out: 8
Network: 2 Gigabit Ports
POE: 0
USB: 2 USB 3.0, 2 USB 2.0
Power: AC100V~240V, 50~60Hz,
Redundant<40W(No HDD)
IVS: Yes
Fisheye Dewarp: Yes
POS: Yes
Firmware: URL


  • Max 64 channel IP cameras connection
  • Max 384Mbps incoming bandwidth
  • Up to 12Mp resolution preview& playback
  • 1 VGA+2 HDMI
  • Support 8 hot-swap HDDs
  • Support RAID 0/1/5/6/10/50/60
  • Support N+M hot standby
  • Support iSCSI to expand storage space
  • Compatible with Dahua SDK and seamless integrated to other platforms
  • Support Multi-brand network cameras: Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek and etc.
  • ONVIF Version 2.4 conformance
  • Redundant power supply module adopted (DH-NVR608R-64-4K)



You can update your device with the NVR Firmware Toolkit.

Firmware Update Instructions

Firmware Changelog

  • Build Date: 7/14/2016
  • English, Spanish, Frech optional, Default English, NTSC

Intelligent Features

Front Panel

NVR608 Series





Power button

Power button, press this button for three seconds to boot up or shut down NVR.

Number button


Input Arabic number

Switch channel

Input number more than 10


If you want to input a number more than 10, please click this button and then input.



In textbox, click this button to switch between numeral, English(Small/Capitalized),donation and etc.

Enable or disable tour.




Activate current control, modify setup, and then move up and down.

Increase/decrease numeral.

Assistant function such as PTZ menu.



t    u

Shift current activated control, and then move left and right.

When playback, click these buttons to control playback bar.



Go to previous menu, or cancel current operation.

When playback, click it to restore real-time monitor mode.



Confirm current operation

Go to default button

Go to menu



Manually stop/start recording, working with direction keys

or numeral keys to select the recording channel.

Slow play

Multiple slow play speeds or normal playback.



One-window monitor mode, click this button to display assistant function: PTZ control and image color.

Backspace function: in numeral control or text control, press it for 1.5 seconds to delete the previous character before the cursor.

In motion detection setup, working with Fn and direction keys to realize setup.

In text mode, click it to switch between numeral, English character(small/capitalized) and etc.

In HDD management interface, you can click it to switch HDD record information and other information (Menu prompt)

Realize other special functions.

Fast play


Various fast speeds and normal playback.

Play previous


In playback mode, playback the previous video



In normal playback or pause mode, click this button to reverse


In reverse playback, click this button to pause playback.

Play Next


In playback mode, playback the next video

In menu setup, go to down ward of the dropdown list.



In normal playback click this button to pause playback

In pause mode, click this button to resume playback.

Window switch


Click it to switch one-window/multiple-window.

Shuttle(outer ring)

In real-time monitor mode it works as left/right direction key.

Playback mode, counter clockwise to forward and clock wise to backward.

Jog(inner dial)

Up/down direction key.

Playback mode, turn the inner dial to realized frame by frame playback. (Only applies to some special versions.)

USB port

To connect USB storage device, USB mouse.

Remote control receiver


It is to receive signal from the remote control.

Remote control indicator light  


Remote control indicator light

Status indicator light  


The light is on if device operates properly.

Power indicator light  


Power indicator light

Record light


It becomes on when system is recording.

HDD abnormal status indictor light


It becomes on when there is no HDD, HDD error occurs,  or HDD is full.

Back Panel

NVR608 Series

The NVR608 series rear panel is shown as below.


Port Name


Power switch


Power on-off button

Power input port


Input AC 100~240V.


Audio input port

Bidirectional talk input port. It is to receive the analog audio signal output from the devices such as microphone, pickup.


Audio output port

Audio output port. It is to output the analog audio signal to the devices such as the sound box.

  • Bidirectional talk output.
  • Audio output on 1-window video monitor.
  • Audio output on 1-window video playback.


Video output port

CVBS output


Alarm input port 1~16

  • There are four groups. The first group is from port 1 to port 4, the second group is from port 5 to port 8, the third group is from 9 to 12, and the fourth group is from 13 to 16. They are to receive the signal from the external alarm source. There are two types; NO (normal open)/NC (normal close).
  • When your alarm input device is using external power, please make sure the device and the NVR have the same ground.


Alarm input ground port.


Alarm output port 1~5

  • 5 groups of alarm output ports. (Group 1:port NO1~C1,Group 2:port NO2~C2,Group 3:port NO3~C3, Group 4:port NO4~C4, Group 5: port NO5, C5, NC5).Output alarm signal to the alarm device. Please make sure there is power to the external alarm device.
  • NO: Normal open alarm output port.
  • C: Alarm output public end.
  • NC: Normal close alarm output port.




RS-485 communication port

RS485_A port. It is the cable A. You can connect to the control devices such as speed dome PTZ.


RS485_B.It is the cable B. You can connect to the control devices such as speed dome PTZ.



Controller 12V power output. It is to control the on-off alarm relay output. It can be used to control the device alarm output. At the same time, it can also be used as the power input source of some devices such as the alarm detector.



+12V power output port. It can provide the power to some peripheral devices such as the camera or the alarm device. Please note the supplying power shall be below 1A.

Network port

10M/100M/1000Mbps self-adaptive Ethernet port. Connect to the network cable.


eSATA port

External SATA port. It can connect to the device of the SATA port. Please jump the HDD when there is peripheral connected HDD.

USB2.0 port

USB2.0 port. Connect to mouse, USB storage device, USB burner and etc.


RS232 debug COM.

It is for general COM debug to configure IP address or transfer transparent COM data.


High Definition Media Interface

High definition audio and video signal output port. It transmits uncompressed high definition video and multiple-channel data to the HDMI port of the display device. HDMI version is 1.3. The two HDMI ports to output video from different video sources.


VGA video output port

VGA video output port. Output analog video signal. It can connect to the monitor to view analog video.