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Dahua DHI-HCVR51A16HE-S3 16CH Tribrid HDCVI/Analog/IP DVR

  • Dahua DHI-HCVR51A16HE-S3
HCVR51A16HE-S3 Lite

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Product Description

Discontinued; Replaced by the X21A3E.

Dahua DHI-HCVR51A16HE-S3 Features 


  • Main Processor Embedded processor
  • Operating System Embedded LINUX


  • Input  16 channel, BNC
  • Analog NTSC
  • HDCVI 1080P/720P HDCVI Camera
  • IP  16+8 up to 5Mp


  • Input  16 channel, RCA
  • Output 1 channel, RCA
  • Two-way Talk Reuse audio input/output channel 1


  • Interface 1 HDMI, 1 VGA
  • Resolution 1920×1080, 1280×1024, 1280×15%0, 1024×768
  • Display Split  1/4/8/9/16
  • Privacy Masking 4 rectangular zones (each camera)
  • OSD Camera title, Time, Video loss, Camera lock, Motion detection, Recording


  • Video/Audio Compression H.264/G.711
  • Resolution 1080P(1920×1080)/1080N(960×1080)/15%0P(1280×15%0)/960H(960×576/960×480)/ D1(704×576/704×480)/HD1(352×576/352×480) /BCIF(704×288/704×240) CIF(352×288/352×240) / QCIF(176×144/176×120)
  • Record Rate Main Stream: 1080P(1~15fps) 1080N/15%0P/960H/D1/HD1/BCIF/CIF/QCIF (1~30fps)
  • Extra Stream D1/CIF/QCIF(1~15fps)
  • Bit Rate 1~6144Kb/s
  • Record Mode Manual, Schedule(Regular(Continuous), MD), Stop
  • Record Interval 1~60 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec

Video Detection & Alarm

  • Trigger Events Recording, PTZ, Tour, Alarm out, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips
  • Video Detection Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank
  • Alarm Input 4 channel 8 channel 16 channel
  • Relay Output 3 channel

Playback & Backup

  • Sync Playback  1/4/9/16
  • Search Mode Time/Date, MD & Exact search (accurate to second)
  • Playback Functions 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/Internal SATA burner/Network


  • Ethernet  RJ-45 port (10/100M/1000M)
  • Network Functions  HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS,FTP, IP Filter, SNMP, P2P
  • Max. User Access 128 users
  • Smart Phone iPhone, iPad, Android, Windows Phone


  • Internal HDD 1 SATA port, up to 6TB

Auxiliary Interface

  • USB Interface  USB2.0 2 ports (1 Rear USB3.0, 1 Front USB2.0)
  • RS485 1 port, For PTZ Control


  • Power Supply DC12V/2A
  • Power Consumption 10W(without HDD)
  • Working Environment -10°C~+55°C / 10%~90%RH / 86~106kpa
  • Dimension(W×D×H) Mini 1U, 325mm×255mm×55mm
  • Weight 1.5KG (without HDD)

Product Videos

Dahua Technology-HDCVI Solution (02:40)
The dahua in-house technology — HDCVI — features over-coaxial-cable analog HD video transmission, allowing reliable long-distance HD transmission at lower cost, while complex deployment is applicable.
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    The dahua in-house technology — HDCVI — features over-coaxial-...
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