8 Channel 5-Way DVR
4K @ 7fps
H.265+ Compression
Audio over Coax
20TB / 2 HDDs Storage

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CATEGORIES: Discontinued
Optiview_2020_Iconset_Audio Over Coax
Audio Over Coax

This integrated design helps reduce wiring troubles translating to lower costs.

Tripwire IVS

Set tripwire intelligent motion detection rules on up to 4 channels.

Optiview_2020_Iconset_IP & Coax

Connect up to 8 x CVI / AHD / TVI / Analog cameras, and up to 8+4 IP cameras.

Optiview_2020_Iconset_AI Search
AI Search

Get more motion detection video during a short time through drawing a region in playback.

Smart H.265+

Reduce bit rate and storage requirements by up to 80% when compared to H.265.

Infinity Scroll - HD Resolutions


4K resolution captures images four times the pixel density of 1080P which means that the finer details, such as faces or smaller items can be viewed with more detail than traditional 1080P surveillance.

Smart Fan

The DVR is equipped with a smart fan to achieve high cooling efficiency. It automatically adjusts fan speed according to CPU and ambient temperature. The fan is long-lasting and low noise, reducing maintenance costs and improving the user experience.

Infinity Scroll Image - Smart Fan
Infinity Scroll Image - Smart H.265+ V3

SMART H.265+

Reduce bit rate and storage requirements by up to 80% when compared to standard H.265 (up to 90% vs H.264), allowing video to be stored for longer periods of time.

Intelligent Video System

This 8 channel DVR has the ability to detect and analyze moving objects for improved video surveillance. The DVR supports motion detect on all channels, and also supports Tripwire analytics on up to 4 channels, allowing the camera to detect when a predetermined line has been crossed.

Perimeter Protection - Infinity
Infinity Scroll Image - Extended PoE (ePoE) & Ethernet of Coax (EoC) V1

Long Distrance Transmission

The HDCVI system supports long distance transmission over coaxial cable and UTP, max. 700m for 4K/4MP, 800m for 1080P and 1200m for 720P

Smart Search

Advanced Smart Search helps you get more motion detect video during a short time through drawing a region during playback.

Optiview VMX - Smart Search Example 1
Main Processor Embedded Processor
Operating System Embedded Linux
Video and Audio
Analog Camera Input 8 Channel, BNC
HDCVI Camera 4K, 6MP, 5MP, 4MP, 1080P @ 25/30fps, 720P @ 50/60fps, 720P @ 25/30fps
AHD Camera 5MP, 4MP, 3MP, 1080P @ 25/30, 720P @ 25/30fps
TVI Camera 5MP, 4MP, 3MP, 1080P @ 25/30, 720P @ 25/30fps
IP Camera Input 8+4 Channel, each channel up to 8MP
Audio In/Out 1/1, RCA
Two-way Talk Reuse audio in/out, RCA
Compression H.265+/H.265/H.264+/H.264
Resolution 4K, 6MP, 5MP, 4MP, 3MP, 4M-N, 1080P, 720P, 960H, D1, CIF
Record Rate Main stream: 4K(1~7fps), 6MP(1~10fps), 5MP(1~12fps), 4MP/3MP(1~15fps), 4M-N/1080P/720P/960H/D1/CIF (1~25/30fps)
Sub stream: 960H(1~15fps); D1/CIF(1~25/30fps)
Bit Rate 32Kbps ~ 6144Kbps Per Channel
Record Mode Manual, Schedule (General, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop
Record Interval 1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Postrecord: 10 ~ 300 sec
Audio Compression G.711A, G.711U, PCM
Audio Sample Rate 8KHz, 16 bit Per Channel
Audio Bit Rate 64Kbps Per Channel
Interface 1 HDMI, 1 VGA
Resolution HDMI: 3840×2160, 2560×1440, 1920×1080, 1280×1024, 1280×720
VGA: 1920×1080, 1280×1024, 1280×720
Multi-Screen Display When IP extension mode not enabled: 1 / 4 / 8 / 9
When IP extension mode enabled: 1 / 4 / 8 / 9 / 16
OSD Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording
Interface 1 RJ-45 Port (1000M)
Network Function HTTP, HTTPS, TCP/IP, IPv4/IPv6, Wi-Fi, 3G/4G, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm Server, P2P,IP Search (Supports Dahua IP camera, DVR, NVS, etc.)
Max. User Access 128 users
Smart Phone iPhone, iPad, Android
Interoperability ONVIF 16.12, CGI Conformant
Video Detection and Alarm
Trigger Events Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips
Video Detection Motion Detection, MD Zones: 396 (22 × 18), Video Loss,Tampering and Diagnosis
Alarm input N/A
Relay Output N/A
Internal HDD 2 SATA Ports, up to 10TB capacity for each disk
Playback and Backup
Playback 1/4/2009
Search Mode Time /Date, Alarm, MD and Exact Search (accurate to second)
Playback Function Play, Pause, Stop, Rewind, Fast Play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom
Backup Mode USB Device / Network
Auxilary Interface
USB 2 USB Ports (1 USB 2.0 , 1 USB 3.0)
RS232 N/A
RS485 1 Port, for PTZ Control
Power Supply DC12V/4A
Power Consumption (without HDD) <10W
Device Dimensions 1U, 14.8” x 11.3” x 2.1”
New Weight (without HDD) 3.3 lb
Gross Weight 6.4 lb
Installation Desktop installation
Operating Conditions 14°F ~ +131°F, 10% ~ 90% RH
Storage Conditions -4°F ~ +158°F, 0~ 90% RH
Certifications FCC: Part 15 Subpart B
CE: CE-LVD: EN 60950-1/IEC 60950-1
CE-EMC: EN 61000-3-2, EN 61000-3-3, EN 55032, EN 50130,
EN 55024
UL: UL 60950-1
File Name Release Date Resource type

Data Sheet – HDVR84KS-Q2A

09/13/2021 Data Sheet

How to Set Camera Resolutions for Recording (Encode)

n/a Web Page

How to Perform Smart Search

n/a Web Page

Coax Based Video Analytics Product Guide

n/a Web Page

The HDVR84KS-Q2A 8 channel 5-Way DVR is an all-in-one recording solutions that supports up to 4K HD-over-Coax (CVI / AHD / TVI), Analog and IP cameras up to 4K using RG59, CAT5/6 or Fiber cables. The HDVR84KS-Q2A 8 channel 5-Way DVR records up to 4K, 6MP, 5MP, 4MP, 1080P @ 30fps, 720P @ 60fps. It has 1 RCA audio input and a single output which supports Two-way Talk. There is plenty of room to record with a storage capacity of up to 20TB.

  • Supports HD-over-Coax / Analog / IP video input
  • Up to 8 x 4K HD-over-Coax cameras @ 30fps
  • Up to 12 IP cameras up to 8MP
  • Supports 8ch Audio over Coax
  • H.265+/H.265 dual-stream video compression
  • HDMI Output up to 4K (3840×2160)
  • IoT and POS functionalities
  • Smart Search & Intelligent Video
  • Support 2 SATA HDD up to 20TB, 2x USB (1 x 2.0 / 1 x USB 3.0)
  • Onvif Version 2.4.1 conformance
  • Multiple network monitoring: Web viewer, Free Optiview VMS, Mobile Apps
  • 8 Channel 4K 5-Way DVR
  • USB Mouse
  • Quick Start Installation Guide
  • CAT6 Network Connector Cable
  • Power Cord + Adapter
SKU: HDVR84KS-Q2A Category: