Dahua Technology X72A2A Pro Series Pentabrid 8-Channel 8MP HD-CVI DVR with No HDD


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Dahua Technology X72A2A Overview

Stream and record up to eight video channels with this X72A2A Pro Series Pentabrid HD-CVI DVR from Dahua Technology at resolutions of up to 8MP. Equipped with two SATA ports, each supporting an HDD up to 10TB, this DVR can accommodate up to 20TB of HDD storage (HDDs available separately). The recorder supports HD-CVI, AHD, TVI, and SD analog cameras via its BNC interface. Additionally, it has an eight-channel IP video input for IP cameras up to 8MP. With the help of H.265+, H.265, H.264+, and H.264 compression, file sizes are kept manageable while recording and playback quality are maintained.

The DVR’s interface includes RCA ports for two-way audio communication, as well as HDMI and VGA connections for video output with support for dual streaming to maximize bandwidth efficiency. The HDMI connection can output up to 4K UHD resolution video.VGA output at up to 1920 x 1080 resolutionHDMI output at up to 4K UHD resolution (3840 x 2160)Self-adaptive HD-CVI/AHD/TVI/CVBS signal input8 analog + 8 IP camera channels, each channel up to 8MPUp to 64 Mb/s incoming bandwidthSmart H.265+ and H.264 dual codec1 x USB 3.0 and 1 x USB 2.0 portsIntegrates with HD-CVI Internet of Things (IoT) devices to support multi-dimensional surveillanceSpot output channel for secondary monitorPoint of Sale (POS) supportSmart fan design reduces fan noise and electrical consumptionIntelligent Video System (IVS) built-in video analytics including intrusion detection, and detection of abandoned or missing objectsFace detection functionalitySmart search

Dahua Technology X72A2A Specs


Main ProcessorEmbedded Processor
Operating SystemEmbedded Linux


Analog Camera Inputs8 x BNC
HD-CVI8 MP, 6 MP, 4 MP, 1080p at 30 fps, 720p at 60/30 fps
AHD5 MP, 4 MP, 3 MP, 1080p/720p at 30 fps
TVI5 MP, 4 MP, 3 MP, 1080p/720p at 30 fps
IP Camera Input8 + 8 Channels, Each Channel up to 8 MP
AudioInput: 4 x RCA
Output: 1 x RCA
Two-Way TalkReuse Audio In/Out, RCA


CompressionSmart H.265+, H.265, Smart H.264+, and H.264
Recording Resolution8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 4 M-N (1280 x 1440), 1080p, 720p, 960H, D1, and CIF
Recording RateMain Stream: 8 MP at 7 fps; 6 MP at 10 fps; 5 MP at 12 fps; 4 MP or 3 MP at 15 fps; 4 M-N, 1080p, 720p, 960H, D1, CIF, or QCIF at 30 fps

Sub Stream: 960H at 15 fps; D1 or CIF at 30 fps
Maximum Incoming Bandwidth64 Mb/s
Bit Rate32 to 6144 kb/s per Channel
Recording ModesManual, Schedule (Regular, Continuous), MD (Video Detection: Motion Detection, Video Loss, Tampering), Alarm, and Stop
Recording Intervals1 to 60 Minutes (Default 60 Minutes)
Pre-Record: 1 to 30 Seconds
Post-Record: 10 to 300 Seconds
Audio CompressionAAC (First Channel Only), G.711A, G.711U, and PCM
Audio Sample Rate8 kHz, 16 Bits per Channel
Audio Bit Rate64 kb/s per Channel


Interface1 x HDMI (3840 x 2160)
1 x VGA (1920 x 1080)
Spot OutputHDMI or VGA, Configurable
Output ResolutionsHDMI: 3840 x 2160, 2560 x 1440, 1920 x 1080, 1280 x 1024, 1280 x 720, and 1024 x 768

VGA: 1920 x 1080, 1280 x 1024, and 1280 x 720
Maximum Decoding4 Channels of 4K at 7 fps
4 Channels of 6 MP at 10 fps
4 Channels of 5 MP at 12 fps
8 Channels of 4 MP or 3 MP at 15 fps
8 Channels of 4 M-N, 1080p, 720p, or 960H at 30 fps
Multi-Screen DisplayIP Extension Mode Disabled: 1/4/8/9
IP Extension Mode Enabled: 1/4/8/9/16
On-Screen DisplayCamera Title, Time, Video Loss, Camera Lock, Motion Detection, and Recording


Interface1 x RJ45 Port, 1000 Mb/s
Network FunctionHTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, P2P, IP Search (Supports Dahua IP Cameras, DVRs, and NVRs)
Max. User Access128 Users
Compatible Mobile Operating SystemsiOS and Android
InteroperabilityONVIF 16.12, CGI Conformant

Video Detection & Alarm

Trigger EventsRecording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer, and Screen Tips
Video DetectionMotion Detection, Video Loss, Tampering, and Diagnosis
MD Zones: 396 (22 × 18)
Alarm Input8 Channels
Relay Output3 Channels

Playback & Backup

Search ModesTime/Date, Alarm, Motion Detection, and Exact Search
Accurate to 1 Second
Playback FunctionsPlay, Pause, Stop, Rewind, Fast Play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, and Digital Zoom
Backup ModesUSB Device and Network


Internal HDD2 x SATA Ports, up to 10 TB Capacity for Each Disk
HDDs Available Separately

Auxiliary Interface

USB1 x USB 2.0 Port
1 x USB 3.0 Port
Serial1 x RS-485 Port for PTZ Control


Power Supply12 VDC, 4 A
Power Consumption<10 W, Without HDDs


Operating Conditions14 to 131°F / -10 to 55°C
10 to 90% RH
Storage Conditions-4 to 158°F / -20 to 70°C
0 to 90% RH


InstallationDesktop or Rackmount
Rack Height1 RU
Dimensions14.8 x 11.3 x 2.1″ / 37.5 x 28.7 x 5.3 cm
Weight3.7 lb / 1.7 kg

Additional information

Weight 7 lbs
Dimensions 17 × 14 × 5 in