Synology Deep Learning NVR DVA3221

Free 9-step installation of the exclusive M-Service package at Mstar Corp.

Delivery Options:

  • Within HCMC: 2 – 4 hours
  • Others: 2 -3 days

Return & Warranty

  • 100% Authentic
  • 30 Days Return

Deep Learning NVR DVA3221 – Intelligent, Accurate, Private


NVR DVA3221 Smarter video surveillance

Synology Deep Learning NVR DVA3221 combines powerful video management system features with AI-powered analytics. Generate real-time statistics and alerts to act on issues immediately.

Max Camera

Max Camera
32 camera feeds


Max. 12 real-time tasks


Up to 14 drives with two DX517

NVR DVA3221 – Actionable insights

Video footage is transformed into actionable insights with advanced deep learning-based analytics, enhancing security without requiring additional personnel.

Face recognition

Identify employees and key or prohibited personnel in real time to deliver better on-prem security.

People and vehicle detection

Detect people or vehicles in off-limits areas for increased situational awareness.

People Counting

Create actionable insight on venue occupancy and pathway efficiency with bidirectional counters.

Intrusion detection

Issue alerts when a vehicle or person trespasses a virtual line, enabling flexible perimeter monitoring.

On-prem recording and analytics

Powered by Synology DSM, footage is kept on the device, with options to flexibly backup or archive to other devices and locations.

Security & privacy

No footage is uploaded to the cloud for storage or analysis. Keep sensitive information secure and locked down.

No recurring fees

One-time hardware and license purchase, with no monthly subscriptions or additional fees for software updates.

Real-time results

Instead of post-event analysis, DVA3221 can notify security operators immediately when incidents occur.

Ease of integration

Compatible with over 7,600 IP cameras, and with ONVIF support, there is no need to replace or be locked into a specific brand of cameras.


Comprehensive VMS platform

DVA3221 is an all-in-one NVR solution, combining video recording, analysis, and advanced video management.

Action rules

Set up security policies so that when a condition is met, corresponding actions can be triggered automatically, reducing time and effort needed for manual interventions.

Easy to setup and operate

Designed to be simple for both administrators and operators, adding and managing cameras, navigating between live feeds and recordings, and configuring permissions and backup tasks are all straightforward. Built ontop of Synology DSM, graphical interfaces simplify complicated tasks, while still retaining flexibility.

Cross-platform, internet-optional

Access your surveillance system on any system through a browser, our PC/Mac/Linux client, or through mobile apps, both with or without internet access.

API ready

Comprehensive documentation available to third-party developers looking to integrate their products or applications with Surveillance Station.

One-stop support

An integrated system means a single point of support for both the hardware and software solution, simplifying setup and maintenance efforts needed.



Hotline: 0943199449 – 0909514461

Email: [email protected]


Facebook Group:


Add: 1F, 75 Hoang Van Thu Street, Ward 15, Phu Nhuan District HCMC

Branch : 11F, ZenTower Building, 12 Khuat Duy Tien Street, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi

Hardware Specs


CPU Model Intel Atom C3538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)


GPU Model NVIDIA GeForce GTX 1650
Notes Display output is not supported.


System Memory 8 GB DDR4
Memory Module Pre-installed 8 GB (4 GB x 2)
Total Memory Slots 2
Maximum Memory Capacity 32 GB (16 GB x 2)
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.


Drive Bays 4
Maximum Drive Bays with Expansion Unit 14 (DX517 x 2)
Compatible Drive Type* (See all supported drives)
  • 3.5″ SATA HDD
  • 2.5″ SATA HDD
  • 2.5″ SATA SSD
Maximum Internal Raw Capacity 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 224 TB (16 TB drive x 14) (Capacity may vary by RAID types)
Maximum Single Volume Size* 108 TB
Hot Swappable Drive
  • “Compatible drive type” indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 3
eSATA Port 2
COM Port 1


Size (Height x Width x Depth) 166 mm x 250 mm x 237 mm
Weight 4.92 kg


Wake on LAN / WAN
System Fan 120 mm x 120 mm x 1 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
Power Recovery
Noise Level* 28.3 dB(A)
Scheduled Power On / Off
Power Supply Unit / Adapter 250 W
AC Input Power Voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 43.92 W (Access)
28.43 W (HDD Hibernation)
British Thermal Unit 149.86 BTU/hr (Access)
97.01 BTU/hr (HDD Hibernation)
Notes Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).


Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH


  • FCC
  • CE
  • BSMI
  • EAC
  • VCCI
  • RCM


3 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)


RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1

Optional Accessories

Notes The original non-ECC memory modules must be removed before the optional ECC memory modules can be installed. For more information, visit here.

Software Specs

Surveillance Station

Video Analysis

Deep Video Analytics Feature
  • People and vehicle detection
  • People counting
  • Intrusion detection
  • Face recognition
Deep Video Analytics Tasks
  • People and vehicle detection: Up to 12 tasks
  • People counting: Up to 12 tasks
  • Intrusion detection (detecting specific objects): Up to 12 tasks
  • Intrusion detection (detecting all objects): Up to 6 tasks
  • Face recognition: Up to 6 tasks
Maximum Number of Registrations Supported by Face Database 10,000
Notes When recording in 4k resolution, the number of deep video analytics tasks is limited to eight. Learn more

General Specifications

Maximum IP cam (Licenses required) 32 (including 8 Free License) (See All Supported IP Cameras)
Total FPS (H.264) 960 FPS @ 720p (1280×720), 32 Channels
448 FPS @ 1080p (1920×1080), 32 Channels
280 FPS @ 3M (2048×1536), 28 Channels
190 FPS @ 5M (2591×1944), 19 Channels
130 FPS @ 4K (3840×2160), 13 Channels
Total FPS (H.265) 960 FPS @ 720p (1280×720), 32 Channels
960 FPS @ 1080p (1920×1080), 32 Channels
320 FPS @ 3M (2048×1536), 32 Channels
200 FPS @ 5M (2591×1944), 20 Channels
150 FPS @ 4K (3840×2160), 15 Channels
Video Codec
  • H.264
  • H.264+
  • H.265
  • H.265+
  • MPEG-4
  • MxPEG (not supported by Deep Video Analytics tasks)
Audio Codec
  • AAC
  • AMR
  • G711
  • G726
  • PCM
  • Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
  • Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
  • The maximum channel number also includes devices installed on Virtual DSM.

System Services

File System

Internal Drives
  • Btrfs
  • EXT4

Storage Management

Maximum Internal Volume Number 64
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 10
  • RAID 1
  • RAID 5
  • RAID 6
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10

File Services


Account & Shared Folder

Maximum Local User Accounts 2,048
Maximum Local Groups 256
Maximum Shared Folder 512

General Specifications

Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers Google Chrome
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文

VPN Server

Maximum Connections 30


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