DAHUA NVR724R-256 256 Channel Ultra Network Video Recorder
SKU: 57056781583

DAHUA NVR724R-256 256 Channel Ultra Network Video Recorder

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Description

DAHUA NVR724R-256 256 Channel Ultra Network Video RecorderNVR724R 256 256 Channel Ultra Network Video Recorder > Intel Processor > Max 256 IP Camera Inputs > Max 512Mbps Incoming Bandwidth > 24 Hot swap HDDs > Supports RAID 0 1 5 10 50 60 > iSCSI and Mini SAS for Expanded Storage Space > Smart Tracking and Intelligent Video > Redundant Power Product Data System Main Processor Intel Core i7 Processor Operating System Embedded LINUX Audio and Video IP Camera Input 256 Channel Two way Talk 1 Channel Input, 1

NVR724R-256 

256 Channel Ultra Network Video Recorder

> Intel Processor
> Max 256 IP Camera Inputs
> Max 512Mbps Incoming Bandwidth
> 24 Hot-swap HDDs
> Supports RAID 0/1/5/10/50/60
> iSCSI and Mini SAS for Expanded Storage Space
> Smart Tracking and Intelligent Video
> Redundant Power



Product Data

System

Main Processor

Intel Core i7 Processor

Operating System

Embedded LINUX

Audio and Video

IP Camera Input

256 Channel

Two-way Talk

1 Channel Input, 1 Channel Output, RCA

Display

Interface

2 HDMI (Different Source), 1 VGA

Resolution

1920 × 1080 , 1280 × 1024,

1280 × 720 , 1024 × 768

Multi-screen Display

1st Screen: 1/4/8/9/16/25/36/64

2nd Screen: 1/4/8/9/16

OSD

Camera title, Time, Video loss, Camera lock,

Motion detection, Recording

Recording

Compression

H.264/MJPEG

Resolution

12MP, 8MP, 6MP, 5MP, 4MP, 3MP, 1080P, 1.3MP, 720P etc.

Record Rate

512Mbps

Bit Rate

16Kbps ~ 20Mbps Per Channel

Record Mode

Manual, Schedule (Regular, MD (Motion Detection), Alarm, IVS), Holiday, Stop

Record Interval

1 ~ 120 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec

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 × 18), Video Loss and Tampering

Alarm input

4 Channel, Low Level Effective, Green Terminal Interface

Relay Output

4 Channel, NO/NC Programmable, Green Terminal Interface

Tracking Trigger Event

Zoom, Tracking, Recording, Preset, Snapshot, Alarm, etc.

Playback and Backup

Playback

128 Mbps in Raid 5 Mode;

64 Mbps in single HDD Mode

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

Third-party Support

Third-party Support

Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and more

Network

Interface

4 RJ-45 Ports (10/100/1000Mbps)

Ethernet Port

4 Ethernet Ports Joint Working or 4 Independent 1000Mbps Ethernet Ports

PoE

N/A

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 IP camera, DVR, NVS, etc.)

Optical Fiber Interface

2 Giga Optical Fiber Interface (optional)

Max. User Access

128 users

Smart Phone

iPhone, iPad, Android

Interoperability

ONVIF 2.4, CGI Conformant

Storage

Internal HDD

24 SATA III Ports, Up to 8 TB capacity for each HDD

HDD Mode

Single, Raid 0/1/5/10/50/60(Enterprise-level HDDs are recommended), Support Global HDD Hot-spare

eSATA

1 eSATA Port (Please contact technical engineer to confirm the compatible device)

SAS

2 Mini SAS Port, for Storage Expansion

Auxiliary Interface

Front Cover

Support Hot-swap

USB

4 USB Ports (2 USB 2.0 , 2 USB 3.0 )

RS232

1 Port, for PC Communication and Keyboard

RS485

1 Port, for PTZ Control

Electrical

Power Supply

AC100V ~ 240V, 50 ~ 60 Hz, Redundant

Power Consumption

<200W (Without HDD)

Environmental

Operating Conditions

-10°C ~ +55°C (+14°F ~ +131°F), 86 ~ 106kpa

Storage Conditions

-20°C ~ +70°C (-4°F ~ +158°F), 0 ~ 90% RH

Construction

Dimensions

4U, 482.6mm x 544.45mm x 175mm (19" x 21.4" x 6.9")

Net Weight

25.6kg (56.4 lb) (without HDD)

Gross Weight

38.6kg (85.1 lb)

Installation

Rack-mounted

Certifications

CE

EN55022, EN55024, EN50130-4, EN60950-1

FCC

Part 15 Subpart B, ANSI C63.4-2014

UL

UL 60950-1 and CAN/CSA C22.2 No.60950-1

Shipping Notes
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Exchange/Return Notes
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SKU: 57056781583

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4.5 ★★★★★
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Product Reviews
J
Verified Purchase
James C. Mcclaran, Jr.
Lexington, US
★★★★★ 4
Four Stars: Insightful and Impactful Reading
Format: Hardcover
This book provides clarity in human relationships pertaining to workplace, family, and social circles. Author Mel Robbins explains the human tendency of needing to belong and bond, having personal freedoms and space to make informed choices, and providing coping strength to not feel over burdened due to work or perceived social obligations or human stereotypes. "Let Them", "Let Me" is a series of strategies/skills that help one regain focus on finite time and energies to have more productive personal relationships and work outcomes. The book teaches one to de-prioritize things and channel emotions into actionable goals to set healthy boundaries in selection of friends, career paths, and effectively resolving conflicts. Some chapters are overly redundant (and precludes a fifth star rating); however, it's a worthwhile book that definitively helps me set more impactful goals in 2026 and beyond.
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Reviewed in the United States on January 31, 2026
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Verified Purchase
Paige
Omaha, US
★★★★★ 5
Love this book!!
I just finished *The Let Them Theory* by Mel Robbins, and I can honestly say it completely shifted my mindset. The concept is so simple—“let them”—but it’s incredibly powerful. Instead of stressing over what other people think, say, or do, this book teaches you to let go of that control and focus on yourself instead. What I loved most is how practical it is. It’s not full of complicated advice—it’s something you can actually apply in real life, whether it’s relationships, friendships, or everyday stress. I found myself reflecting on so many situations where I was wasting energy trying to control things I simply can’t. Since reading it, I feel lighter, less anxious, and more in control of my own life. It’s honestly a reminder that peace comes from within, not from trying to manage everyone else. If you’re someone who overthinks, people-pleases, or struggles with letting go, I highly recommend this book. It’s simple, but it hits deep.
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Reviewed in the United States on March 26, 2026
K
Verified Purchase
kmurph31
Cuba, US
★★★★★ 5
NON FICTION IS A GREAT WAY TO LISTEN WHILE YOU DRIVE! TRY AUDIBLE!
Format: Audiobook
LET THEM AUDIBLE NON-FICTION INSPIRATIONAL BOOK ON LISTENING TO MEL ROBBINS MOTIVATIONAL ADVICE MAKES MY DRIVING DESTINATIONS ENJOYABLE! I had something like 24 AUDIBLE CREDITS that have built up because I'm a visual person that loves to read. I've had the membership for over ten years and I only like certain NON FICTION SELF DEVELOPMENT books which I listen to Memoirs, Self help, but never fiction books, because my imagination is more vivid when I read. I always either listen to my podcasts on Spotify or NON-FICTION on AUDIBLE which is owned by Amazon. I can't drive anywhere without my Podcasts or very few Non-Fiction Titles that interest me, but I have had those credits and I love MEL ROBBINS so I decided to try it on AUDIBLE. My friends who read that listen to fiction on AUDIO understood why I bought the same fictional title and I had already loved reading it on my Kindle. It was a favorite lifetime reading experience and I own many of the same KINDLE & AUDIBLE versions but I noticed that fiction book that it was one of the most beautifully written books that when I went to listen to it, I quickly gave up because it was bland. I have been told by more frequent readers like myself who listen to the Audio version and recommend it to me on Audio since they enjoyed it better have said listening to fiction is a skill that you have to develop, so I stick to NON FICTION and I need to listen to something while I'm driving so I buy the Kindle Version & the AUDIBLE and it makes my driving to destinations shorter.v That's why I have Spotify because there's two favorite podcasts but I pay extra for no commercials and now my top favorite podcast has commercials which I 'm considering cancelling because the reason I pay extra is because the commercials drive me crazy so now Spotify says it's up to the podcast. The reason I've been a member since 2018, is because it is synced to the Bluetooth, in my car and the podcasts don't require Cell towers so you don't get the buffering that I do with Audible in areas where there aren't Cell towers which we call them dead zones. I'm recommending this AUDIBLE PURCHASE called, "LET THEM," because MEL ROBBINS is a new motivational author to me, and she wrote the book which she has some fascinating inspirational content, that I have learned some ideas to improve my life. She is a fantastic narrator in her soothing voice. One nice thing about AUDIBLE is they are extremely friendly and if you don't like the AUDIO BOOK Listening experience, you can return it, which you can't do with the KINDLE Books. so I have had to return something only twice in fifteen years, since I usually love what I purchase. I do recommend this book on AUDIBLE to listen to or if you don't have a membership they used to have a free trial and a free book if you're a new member. But I'm not sure, but however medium you choose this is a FAVORITE and it's a bestseller that I can promise you will love it, as well. It has a very high rating of tens of thousands of five star ratings which is even more evident that it's a Spectacular choice!
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Reviewed in the United States on July 24, 2025
D
Verified Purchase
DM
Alexandria, US
★★★★★ 5
Book of life
Format: Hardcover
This book is a fantastic read, I think this is a book everyone should read. Very insightful and informative book for life.
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Reviewed in the United States on May 15, 2026
C
Verified Purchase
Chels marie
Whiting, US
★★★★★ 5
HIGHLY RECOMMEND
Format: Audiobook
I love Mel Robbin’s and this audiobook gave me a different perspective on my life. I would highly recommend it’s so easy to understand and it’s so enjoyable and enlightening to listen to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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