Synology 4 bay DVA Deep Learning Video Analytics DVA3221 Diskless

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Product details

The Synology DVA3221 is an advanced network video recorder (NVR) specifically designed for security surveillance applications. With the capability to process up to 32 camera streams simultaneously, this system offers a comprehensive solution for video monitoring. It combines powerful video management features with AI-driven analytics that enable precise detection of people and vehicles. The integrated deep learning technology enhances situational awareness by automatically identifying individuals or vehicles in restricted areas, reducing the need for additional surveillance personnel. The DVA3221 stores all recordings locally, ensuring complete data privacy as no data is uploaded to the cloud. Additionally, the system supports multiple simultaneous real-time analyses and offers high scalability through expansion options. Compatibility with over 7,600 IP camera models and support for ONVIF standards allow for seamless integration into existing surveillance systems.

  • Supports up to 32 simultaneous camera streams for comprehensive monitoring
  • Deep learning analytics for precise detection of people and vehicles
  • Local storage of all recordings for complete data privacy
  • Expandable to up to 14 drives with DX517 expansion units
  • Compatible with over 7,600 IP camera models and ONVIF standards.

Key specifications

NAS HDD assembly
NAS Empty Enclosure
Max. number of hard disks
14

General information

Item number
58251160
Manufacturer
Synology
Category
NAS
Manufacturer no.
DVA3221
Release date
6.5.2025

Colour

Colour
Black
Exact colour description
Black

NAS properties

NAS HDD assembly
NAS Empty Enclosure
Model
Desktop
Max. number of hard disks
14

Video surveillance

Max. number of cameras
32x

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «NAS» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 2.Ugreen
    0.9 %
  • 4.Asustor
    1.1 %
  • 4.Synology
    1.1 %
  • 6.Terramaster
    1.8 %
  • 7.WD
    2.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Ugreen
    1 day
  • 2.Synology
    4 days
  • 2.WD
    4 days
  • 4.QNAP
    10 days

Return rate

How often is a product of this brand in the «NAS» category returned?

Source: Digitec Galaxus
  • 1.QNAP
    2.4 %
  • 2.Ugreen
    2.7 %
  • 3.Synology
    2.8 %
  • 4.Ubiquiti
    3.6 %
  • 5.Terramaster
    5.1 %
Source: Digitec Galaxus