Dahua N54A4P 24CH 4K PoE Network Video Recorder

Brand :Dahua


Condition :New

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Dahua Technology Pro Series Overview

Record from and manage up to 24 cameras with the N54A4P NVR from Dahua Technology. This NVR supports IP cameras up to 12 MP. It comes equipped with four SATA III ports that support up to 10TB HDD capacity per disk, for a maximum of 40TB (HDDs available separately). Smart H.265+, H.265, Smart H.264+, H.264, and MJPEG video compression offers the best possible recording and playback quality, while optimizing network bandwidth.

This NVR supports up to 128 users. An RCA audio I/O makes two-way talk possible. One VGA and two HDMI ports enable video output to an external monitor (available separately), with the first HDMI port outputting video at up to 4K UHD resolution. ONVIF compliance for version 2.4 offers interoperability with ONVIF IP cameras.Embedded quad-core processor and Linux OSAutomatic Network Replenishment (ANR) technologyAutomatic license plate captureCustomized live view layout with support for panoramic displaysDewarping modes320 Mb/s maximum incoming bandwidth1000M RJ45 Ethernet port16 alarm inputs and 6 relay outputs1 USB 2.0 and 2 USB 3.0 portsRS-232 port for PC communication and keyboardRS-485 connection for PTZ control3D intelligent positioning with Dahua PTZ camerasCompatible with iOS and AndroidBackup via USB device, network, or eSATA device

Intelligent Video System (IVS)

IVS triggers an alarm and take a defined action for the following events:

  • Tampering with the camera
  • Camera loses or changes focus drastically
  • Memory card error
  • Network error
  • Unauthorized access
  • Motion detection
  • Tripwire
  • Intrusion detection
  • Scene change detection
  • Abandoned/missing object detection
  • Facial detection and recognition
  • People counting
  • Heat mapping

Dahua Technology Pro Series Specs


Main ProcessorEmbedded quad-core processor
Operating SystemEmbedded Linux

Video and Audio

IP Camera Inputs24
Two-Way Audio1 x RCA input
1 x RCA output


InterfaceHDMI Port 1: 3840 x 2160 (4K UHD)
HDMI Port 2: 1920 x 1080
VGA: 1920 x 1080
Output Native Resolutions3840 x 2160, 1920 x 1080, 1280 x 1024, 1280 x 720, 1024 x 768
Maximum Decoding2 channels of 12 MP at 20 fps
2 channels of 12 MP at 15 fps
4 channels of 8 MP at 30 fps
5 channels of 6 MP at 30 fps
6 channels of 5 MP at 30 fps
8 channels of 4 MP at 30 fps
11 channels of 3 MP at 30 fps
16 channels of 1080p at 60 fps
16 channels of 1080p/720p at 30 fps
Multi-Screen DisplayFirst Screen: 1/4/8/9/16/25
Second Screen: 1/4/8/9/16
OSDCamera title, time, video loss, camera lock, motion detection, recording


CompressionSmart H.265+, H.265, Smart H.264, H.264, MJPEG
Supported IP Camera Resolution12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 1.3 MP, 720p, D1, CIF
Maximum Incoming Bandwidth320 Mb/s
Bit Rate16 kb/s to 20 Mb/s per channel
Recording ModesManual, schedule (regular, motion detection), alarm, IVS, stop
Recording Intervals1 to 120 minutes (60 minutes default)
Pre-Record: 1 to 30 seconds
Post-Record: 10 to 300 seconds

Video Detection & Alarm

Trigger EventsRecording, PTZ, tour, alarm out, video push, email, FTP, snapshot, buzzer, and screen tips
Video DetectionMotion detection, MD Zones: 396 (22 x 18), video loss, and tampering
Alarm Input16
Low-level effective, green terminal interface
Relay Output6
NO/NC programmable, green terminal interface

Playback & Backup

Sync Playback1/4/9/16
Video Output4 channels at 4K
16 channels at 1080p
Search ModesTime/date, alarm, motion detection & exact search (accurate to one second)
Playback FunctionPlay, pause, stop, rewind, fast play, slow play, next file, previous file, next camera, previous camera, full screen, repeat, shuffle, backup selection, digital zoom
Backup ModesUSB device, network, eSATA device

Third-Party Software Support

Brand CompatibilityDahua, Arecont Vision, Axis Communications, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and others


Ethernet1 x RJ45 (10/100/1000M)
PoE24 ports (IEEE802.3af/at), 10/100M
Forwarding Bandwidth320 Mb/s
Network ProtocolsHTTP, 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 Access128 users
Mobile Operating SystemsiOS, Android
InteroperabilityONVIF 2.4, CGI conformant


Internal HDD4 x SATA III ports
HDD CapacityUp to 10 TB for each HDD, 40 TB maximum
HDDs available separately
HDD ModeSingle
eSATA1 x eSATA port

Auxiliary Interface

USB2 x USB 3.0 (rear)
1 x USB 2.0 (front)
RS-2321 RS-232 port for PC communication and keyboard
RS-4851 RS-485 connection for PTZ control


Power SupplySingle, 100 to 240 VAC, 50/60 Hz
Power Consumption
PoE Power25.5 W single port, 220 W total


Operating Temperature14 to 131°F / -10 to 55°C
Storage Temperature-4 to 158°F / -20 to 70°C
Storage Humidity0 to 90% RH
CertificationsCE: EN55032, EN55024, EN50130-4, EN60950-1

Safety: UL 60950-1, CAN/CSA C22.2 No.60960-1

Electromagnetic Compatibility (EMC): FCC Part 15 Subpart B, ANSI C63.4-2014
Rack Units1.5 RU
Dimensions17.3 x 16.3 x 3.0″ / 440 x 413.3 x 76 mm
Weight10.4 lb / 4.7 kg (without HDDs)