Dahua Technology N42B3P8 NVR 16CH 4K UHD POE 2 SATA Bays 8TB HDD Security NVR


Out of stock


4K 16CH 1U NVR

8TB Included

Dahua’s Lite Series network video recorders offer excellent performance and high recording quality for IP video surveillance applications. For applications where details are critical for identification, this professional NVR provides a powerful processor with up to 4K resolution. Additionally, the NVR features a mouse shortcut operation menu, remote management and control, center storage, edge storage, and back up storage.

The NVR is compatible with numerous third‐party devices making it the perfect solution for surveillance systems with or without a video management system (VMS). Its open architecture supports multi‐ user access and is compatible with ONVIF 2.4, enabling interoperability when combined with 4K cameras.

  • H.265 and H.264 Video Compression
  • Maximum 200 Mbps Incoming Bandwidth
  • Up to 8 MP Resolution for Preview and Playback
  • Simultaneous HDMI and VGA Video Output
  • Support for IPC and UPnP Protocols
  • 16 PoE Ports
  • Compatible with Dahua Smart Motion Detection+ Cameras
  • Support for Automatic Network Replenishment (ANR) Technology

Intelligent Video System (IVS) Analytics

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

Dahua Technology Lite Specs


Main Processor Embedded Quad-Core Processor
Operating System Embedded Linux

Video and Audio

IP Camera Inputs 16
Two-Way Talk 1 x RCA Input
1 x RCA Output


Interface 1 x HDMI
1 x VGA
Output Native Resolutions 3840 x 2160, 1920 x 1080, 1280 x 1024, 1280 x 720, 1024 x 768
Maximum Decoding Two Channels of 4K UHD / 6 MP at 30 fps
Three Channels of 5 MP at 30 fps
Four Channels of 4 MP/ 3 MP at 30 fps
Four Channels of 1080p at 30 fps
Eight Channels of 1080p at 60 fps
Sixteen Channels of 720p at 30 fps
Multi-Screen Display 1/4/8/9/16
On-Screen Display Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording


Compression H.265, H.264, MJPEG
Supported IP Camera Resolution 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 1.3 MP, 720p, D1, CIF
Maximum Incoming Bandwidth 200 Mb/s
Bit Rate 16 kb/s to 20 Mb/s per Channel
Record Mode Manual, Schedule (Regular, Continuous), Motion Detection (Video Detection, Motion Detection, Tampering, Video Loss), Stop
Recording Intervals 1 to 120 Minutes (Default: 60 Minutes)
Pre-Record: 1 to 30 Seconds
Post-Record: 10 to 300 Seconds

Video Detection & 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 Inputs 4
Low-Level Effective, Green Terminal Interface
Relay Outputs 2
NO/NC Programmable, Green Terminal Interface

Playback & Backup

Sync Playback 1/4/8/16
Search Modes Time/Date, Alarm, MD and Exact Search (Accurate to One Second), Smart Search
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 Modes USB Device, Network

Third-Party Software Support

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


Ethernet 1 x RJ45 (10/100/1000M)
PoE 16 Ports (IEEE 802.3af/at)
Network Function HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Supports Dahua IP Cameras, DVRs, and NVSes)
Maximum User Access 128 Users
Mobile Operating Systems iOS, Android
Interoperability ONVIF 2.4.1, CGI Conformant


HDD Support 2 x SATA III Ports, 8 TB Capacity for Each Disk
Installed HDD No HDD
HDD Mode Single

Auxiliary Interface

USB 1 x USB 3.0
1 x USB 2.0
RS-232 1 Port


Power Supply 100 to 240 VAC, 50/60 Hz
Power Consumption
PoE Power 25.5 W Single Port, 130 W Total


Operating Temperature 14 to 131°F / -10 to 55°C
Storage Temperature -4 to 158°F / -20 to 70°C
Storage Humidity 0 to 90% RH
Certifications CE: EN55032, EN55024, EN60950-1

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

Electromagnetic Compatibility (EMC): FCC CFR 47 Part 15 Subpart B, ANSI C63.4-2014

Rack Units 1 RU
Dimensions 14.8 x 11.1 x 2.2″ / 375 x 281.5 x 56 mm
Weight 5.95 lb / 2.7 kg without HDDs

Additional information

Weight 9 lbs
Dimensions 15 × 7 × 7 in