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Dahua Pro N52A4P12 24-Channel 4K H.265 SMD NVR 12TB HDD: 24-Port PoE, 2x SATA, 320Mbps, Audio, Alarm, 1U, 5yr


Smart H.265+ and Smart H.264+ Video Compression
Maximum 320 Mbps Incoming Bandwidth
Up to 12 MP Resolution for Preview and Playback
Support for IPC and UPnP Protocols
24 PoE Ports
Customized Live View Layout with Support for Panoramic Displays
Intelligent Video System Recording with Business Analytics
3D Intelligent Positioning with Dahua PTZ Cameras
12TB HDD included

Ships within 1 business day.

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Main Processor Embedded Quad-core Processor
Operating System Embedded Linux
Audio and Video  
IP Camera Input 24 Channels
Two-way Talk Input: One (1) Channel, RCA
  Output: One (1) Channel, RCA
Interface One (1) HDMI Port (4K) 
  One (1) VGA Port (1080p)
Resolution 3840 x 2160, 1920 x 1080, 1280 x 1024, 
  1280 x 720, 1024 x 768
Multi-screen Display 1/4/8/9/16/25
On-screen Display Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording
Compression Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
Resolution 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 
  1.3 MP, 720p, D1, CIF 
Recording Resolution Four (4) Channels at 4K
  16 Channels at 1080p, (decoding up to 12 MP)
Recording Bit Rate 320 Mbps
Bit Rate 16 Kbps to 20 Mbps per channel
Record Mode Manual, Schedule (Regular, Motion Detection), Alarm, IVS, Stop
Record Interval 1 to 120 minutes (default: 60 minutes)
  Pre-record: 1 to 30 s 
  Post-record: 10 to 300 s
Video Detection and Alarm  
Trigger Events Recording, PTZ, Tour, Alarm Out, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips
Video Detection Motion Detection, MD Zones: 396 (22 x 18), Video Loss and Tampering
Alarm Input Four (4) Channels, 
  Low Level Effective, Green Terminal Interface
Relay Output Two (2) Channels,
  NO/NC Programmable, Green Terminal Interface
Playback and Backup  
Sync Playback 1/4/9/16
Search Mode Time/Date, Alarm, MD and Exact Search (accurate to one 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
Third-party Support  
Third-party Support Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and others
Interface One (1) RJ-45 Port (10/100/1000 Mbps)
Ethernet Port One (1) Independent 1000 Mbps Ethernet Port
PoE 24 Ports (IEEE802.3af/at), 10/100 Mbps
Forwarding Rate 320 Mbps
Network Function HTTP, HTTPs, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search 
  (Support for Dahua IP cameras, DVRs, NVS)
Maximum User Access 128 Users
Mobile Operating System IOS, Android
Interoperability ONVIF 2.4, CGI Conformant
Internal HDD Two (2) SATA III Ports, 
  Up to 10 TB capacity for each HDD.
HDD Mode Single
  Auxiliary Interface
USB One (1) USB 3.0 Port, rear panel
  One (1) USB 2.0 Port, front panel
RS232 One (1) Port for PC Communication and Keyboard
Power Supply Single, 100 VAC to 240 VAC, 50/60 Hz
Power Consumption < 16 W, without HDD
  PoE: Maximum 25.5 W, single port; 210 W in total
Operating Conditions -10° C to +55° C (+14° F to +131° F)
Storage Conditions -20° C to +70° C (-4° F to +158° F), 0 to 90% RH
Dimensions 1U, 440.0 mm x 419.96 mm x 43.65 mm
  (17.30 in. x 16.50 in. x 1.70 in.)
Net Weight 4.50 kg (9.90 lb), without HDD
Gross Weight 6.45 kg (14.20 lb)
Installation Rack-mounted
Safety UL 60950-1
  CAN/CSA C22.2 No.60960-1
Electromagnetic Compatibility (EMC) FCC Part 15 Subpart B
  ANSI C63.4-2014
IVS triggers an alarm and takes a defined action for the following events:  
Standard Features Tampering with the camera.
  Camera loses or changes focus drastically.
  Error writing to an onboard Micro SD card.
  Error sending or receiving data over the network.
  Unauthorized access to the camera.
Premium Features  
Motion An object moves through any part of the scene.
Tripwire A target crosses a user-defined line.
Intrusion A target enters or exits a defined perimeter.
Scene Change A person or object moves the camera to change the scene or covers the camera to obscure the scene.
Abandoned/Missing Object A target leaves an object in designated area, or a target removes an object from the same designated area.
Advanced Features  
Facial Detection Detects and captures a snapshot of a human face in a defined area within a scene.
People Counting Measure the number of customers, visitors or passengers in a surveillance scene.
Heat Map Generates a visual representation of data.



More Information
DVR Type
DVR Function
IP only NVR
Number of Audio Channels
Live View Resolution
Up to 4K
Recording Resolution
Up to 12MP
Hard Drive
Optical Drive
Mobile Compatibility
iPhone/iPad, Android
Remote OS/Browser
IE, Windows, Mac OS 10.7+, Google Chrome
IP Camera Support
Yes (requires compatible cameras)
1U Rack Mount
Ships within 1 business day.
Product Condition
Manufacturer's Suggested Retail Price
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