Deep Learning NVR Series
Where to Buy
Where to Buy

Deep Learning NVR Series

AI-powered surveillance for deployments of all sizes

DVA
DVA mobile

Smarter surveillance

Combine the comprehensive video management features in Synology Surveillance Station with advanced analytics to speed up incident response and collect better business intelligence.

AI-powered insights

AI-powered insights

Bolster the security of your premises while increasing efficiency.

Versatile monitoring

Versatile monitoring

Watch over your deployment in the way that works best for you.

Easy deployment

Easy deployment

Quickly set up your surveillance system with minimal effort.

Advanced analytics platform

Monitor and secure your premises more effectively with locally processed analytics, ensuring security and confidentiality.

Learn moreWatch video

Perimeter Security
Building Management

Locate intruders that may take advantage of scarcely monitored areas, discourage loitering in sensitive spots such as driveways or parking lot entrances, and strengthen access control to your premises without maintaining dedicated staff on site.

Reduce health and safety risks by preventing overcrowding, optimize visitor flows with real-time and historical occupancy data, and ensure that only authorized personnel can access your premises.

People & Vehicle Detection
License Plate Recognition
Intrusion Detection
People & Vehicle Counting
Congestion Alerts
Face Recognition
Face Covering Detection

Flexible monitoring capabilities

Leverage highly configurable options and automation features to act quickly when potentially dangerous situations arise.

Map-supported alerts

Display real-time previews of detected events on interactive multi-floor and multi-site maps supported by Google Maps and OpenStreetMap. Learn more

Automation rules

Reduce workloads by triggering responses to specific situations, such as activating recording when a microswitch detects a door is opened. Learn more

Notifications

Specify which events should trigger a notification, and whether to receive alerts by SMS, email, or push notification on mobile devices.

Flexible monitoring capabilities

Comprehensive access options

Enjoy a uniform monitoring experience wherever you are and adapt your surveillance system to your needs — not the other way around.

Space-saving installation

Minimize the footprint of your monitoring setup. The DVA1622’s local management capabilities make it an ideal solution for compact home surveillance systems and security kiosks when available space is limited.

High definition video output

Connect an external display directly to the built-in HDMI port to start monitoring your premises in minutes.

Local management

Control your Surveillance Station installation without setting up a dedicated PC by attaching a mouse and keyboard directly to the DVA1622.

Space-saving installation

Anytime, anywhere surveillance

Investigate incidents from anywhere to minimize reaction times and take appropriate action faster.

Multi-platform support

Monitor streams in real time or browse recorded footage seamlessly from browsers, desktop clients, and mobile apps.

Monitoring on the go

Install the DS cam app on your iOS and Android mobile devices to always have a monitoring option on hand. Learn more

Anytime, anywhere surveillance

Deploy and protect with ease

Get large or multi-site surveillance systems up and running easily while keeping recordings safe from malfunctions and third-party attacks.

Wide compatibility

Pick from 8,300+ Synology-validated models or leverage ONVIF support for even more flexibility. Learn more

Multi-site management

Manage fleets of recording servers from a single interface. Learn more

Granular delegation

Distribute monitoring and managing privileges flexibly. Learn more

Deploy and protect with ease

Performance backed by Synology drives

Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.8

Enterprise Series 3.5" SATAPlus Series 3.5" SATA
img enterprise-hatimg plus-hatimg enterprise-sat

Frequently Asked Questions

Are specialized cameras required for video analytics? What is the recommended resolution for each camera?

How does the system handle lighting changes, shadows, and weather conditions such as rain?

What external integration/API capabilities are supported?

Does the DVA support NAS functionality found on other devices running DSM?

How many licenses do DVA3221 and DVA1622 units come with?

Deep Learning NVR Series

DVA1622

DVA1622

All-in-one surveillance solution for homes, shops, and other small-scale installations.

DVA3221

DVA3221

Scalable surveillance platform for proactive threat management and business analytics.

Storage bays (max. bays)24 (14)3
Memory (max. memory)6 GB DDR48 GB (32 GB) DDR4
Max. camera streams164325
Max. number of DVA tasks26127
Local management
  • HDMI video output
  • Keyboard and mouse controls
No

Deep Learning NVR DVA3221

product DVA3221 front view photo
product DVA3221 back view photo
  • 1Drive tray and status indicator
  • 2Status indicator
  • 3Alert indicator
  • 4LAN indicator
  • 5Drive tray lock
  • 6Power button and indicator
  • 7USB 3.2 Gen 1 port
  • 8System fan
  • 9Power port
  • 10Kensington Security Slot
  • 11Console port
  • 12Reset button
  • 13eSATA port
  • 141GbE RJ-45 port
Thumbnail 1/6 about product: DVA3221Thumbnail 2/6 about product: DVA3221Thumbnail 3/6 about product: DVA3221Thumbnail 4/6 about product: DVA3221Thumbnail 5/6 about product: DVA3221Thumbnail 6/6 about product: DVA3221

Best practices

Check out our administrator’s guides for instructions and suggestions on deployment.

Face Recognition
People Counting
People and Vehicle Detection
Intrusion Detection
License Plate Recognition
Vehicle Counting

Leverage your Synology system as a network video recorder

For home and small-sized deployments

Units ideal to secure premises served by up to 40 IP cameras.

Learn more

For medium-size deployments

For larger installations in retail or business settings equipped with 40 to 80 cameras.

Learn more

For large-scale and multi-site deployments

Models suitable to manage up to 120 cameras, ideal as CMS hosts for multi-server surveillance deployments.

Learn more

Learn more

Licensing plan

Add license keys in Surveillance Station to manage more surveillance devices from your Synology system.

Synology Cameras

AI-powered cameras for intelligent and streamlined surveillance.

Contact us

Let us help you find the best Synology solution for your environment.

Notes:

  1. Intrusion Detection is limited to 6 tasks for the DVA3221 when the feature is enabled for all objects. Learn more

  2. Testing is done by the National Institute of Standards and Technology (NIST) in their Facial Recognition Vendor Test (FRVT) under its WILD category (using faces extracted from real-world footage).

  3. Expandable to 14 bays with two 5-bay DX517 expansion units, available separately.

  4. Each unit comes with 8 Surveillance Device Licenses included. Additional licenses are required to support up to 16 IP cameras.

  5. Each unit comes with 8 Surveillance Device Licenses included. Additional licenses are required to support up to 32 IP cameras.

  6. Facial Recognition, License Plate Recognition, and certain Intrusion Detection settings consume system resources equivalent to 2 DVA tasks. A maximum of 6 of these tasks may be run. When recording in 4K quality, the maximum number of DVA tasks is limited to 8. Learn more

  7. Facial Recognition, License Plate Recognition, and certain Intrusion Detection settings consume system resources equivalent to 2 DVA tasks. A maximum of 6 of these tasks can be run at once. When recording in 4K quality, the maximum number of DVA tasks is limited to 8. Learn more

  8. Storage drives are sold separately. Refer to the compatibility list for compatible devices.

CPU
CPU Model
DVA1622: Intel Celeron J4125
DVA3221: Intel Atom C3538
CPU Architecture
DVA1622: 64-bit
DVA3221: 64-bit
CPU Frequency
DVA1622: Quad Core 2.0 (base) / 2.7 (burst) GHz
DVA3221: Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
DVA1622: Yes
DVA3221: Yes
GPU
GPU Model
DVA1622: Intel UHD Graphics 600
DVA3221: NVIDIA GeForce GTX 1650
Video Output
Video Output
DVA1622: HDMI X 1
Supported Video Resolution
DVA1622: 1080p 60Hz
Memory
System Memory
DVA1622: 6 GB DDR4 non-ECC
DVA3221: 8 GB DDR4 non-ECC
Memory Module Pre-installed
DVA1622: 6 GB (2 GB + 4 GB)
DVA3221: 8 GB (4 GB x 2)
Total Memory Slots
DVA3221: 2
Maximum Memory Capacity
DVA3221: 32 GB (16 GB x 2)
Notes
DVA1622: 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.
DVA3221:
  • 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.
  • 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.
  • For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
  • For more information on memory upgrade limitations, visit here.
Storage
Drive Bays
DVA1622: 2
DVA3221: 4
Maximum Drive Bays with Expansion Unit
DVA3221: 14 (DX517 x 2)
Compatible Drive Type* (See all supported drives)
DVA1622: 3.5" SATA HDD
DVA3221:
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Hot Swappable Drive*
DVA1622: Yes
DVA3221: Yes
Notes
DVA1622: "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.
DVA3221: "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.
External Ports
RJ-45 1GbE LAN Port
DVA1622: 1
DVA3221: 4 (with Link Aggregation / Failover support)
USB 3.0 Port
DVA1622: 2
DVA3221: 3
eSATA Port
DVA3221: 2
Appearance
Size (Height x Width x Depth)
DVA1622: 166 mm x 106 mm x 223 mm
DVA3221: 166 mm x 250 mm x 237 mm
Weight
DVA1622: 1.51 kg
DVA3221: 4.92 kg
Others
Wake on LAN / WAN
DVA1622: Yes
DVA3221: Yes
System Fan
DVA1622: 92 mm x 92 mm x 1 pcs
DVA3221: 120 mm x 120 mm x 1 pcs
Fan Speed Mode
DVA1622:
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
DVA3221:
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
Power Recovery
DVA1622: Yes
DVA3221: Yes
Noise Level*
DVA1622: 18.4 dB(A)
DVA3221: 28.3 dB(A)
Scheduled Power On / Off
DVA1622: Yes
DVA3221: Yes
Power Supply Unit / Adapter
DVA1622: 60 W
DVA3221: 250 W
AC Input Power Voltage
DVA1622: 100 V to 240 V AC
DVA3221: 100 V to 240 V AC
Power Frequency
DVA1622: 50/60 Hz, Single Phase
DVA3221: 50/60 Hz, Single Phase
Power Consumption
DVA1622: 19.93 W (Access)
4.02 W (HDD Hibernation)
DVA3221: 43.92 W (Access)
28.43 W (HDD Hibernation)
British Thermal Unit
DVA1622: 67.96 BTU/hr (Access)
13.71 BTU/hr (HDD Hibernation)
DVA3221: 149.86 BTU/hr (Access)
97.01 BTU/hr (HDD Hibernation)
Notes
DVA1622:
  • For more information on how power consumption is measured, refer to this article.
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DVA3221:
  • For more information on how power consumption is measured, refer to this article.
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
Operating Temperature
DVA1622: 0°C to 40°C (32°F to 104°F)
DVA3221: 0°C to 40°C (32°F to 104°F)
Storage Temperature
DVA1622: -20°C to 60°C (-5°F to 140°F)
DVA3221: -20°C to 60°C (-5°F to 140°F)
Relative Humidity
DVA1622: 5% to 95% RH
DVA3221: 5% to 95% RH
Certification
DVA1622:
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • KC
DVA3221:
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • EAC
  • KC
Warranty
DVA1622: 3-year hardware warranty, extendable to 5 years with Extended Warranty Plus
DVA3221: 3-year hardware warranty, extendable to 5 years with Extended Warranty Plus
Notes
DVA1622:
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
DVA3221:
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
DVA1622: RoHS Compliant
DVA3221: RoHS Compliant
Packaging Content
DVA1622:
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 1
  • Quick Installation Guide X 1
DVA3221:
  • 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
DVA1622:
  • 3.5" SATA HDD: HAT5300
  • Surveillance Device License Pack
DVA3221:
Notes
DVA3221: The original non-ECC memory modules must be removed before the optional ECC memory modules can be installed. For more information, visit here.
Download Center & Compatibility
DVA1622
DVA3221
Models
DVA1622
DVA3221
CPU CPU Model Intel Celeron J4125 Intel Atom C3538
CPU Architecture 64-bit 64-bit
CPU Frequency Quad Core 2.0 (base) / 2.7 (burst) GHz Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
GPU GPU Model Intel UHD Graphics 600 NVIDIA GeForce GTX 1650
Video Output Video Output HDMI X 1 -
Supported Video Resolution 1080p 60Hz -
Memory System Memory 6 GB DDR4 non-ECC 8 GB DDR4 non-ECC
Memory Module Pre-installed 6 GB (2 GB + 4 GB) 8 GB (4 GB x 2)
Total Memory Slots - 2
Maximum Memory Capacity - 32 GB (16 GB x 2)
Notes 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.
  • 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.
  • 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.
  • For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
  • For more information on memory upgrade limitations, visit here.
Storage Drive Bays 2 4
Maximum Drive Bays with Expansion Unit - 14 (DX517 x 2)
Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Hot Swappable Drive*
Notes "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.
External Ports RJ-45 1GbE LAN Port 1 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2 3
eSATA Port - 2
Appearance Size (Height x Width x Depth) 166 mm x 106 mm x 223 mm 166 mm x 250 mm x 237 mm
Weight 1.51 kg 4.92 kg
Others Wake on LAN / WAN
System Fan 92 mm x 92 mm x 1 pcs 120 mm x 120 mm x 1 pcs
Fan Speed Mode
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
Power Recovery
Noise Level* 18.4 dB(A) 28.3 dB(A)
Scheduled Power On / Off
Power Supply Unit / Adapter 60 W 250 W
AC Input Power Voltage 100 V to 240 V AC 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase 50/60 Hz, Single Phase
Power Consumption 19.93 W (Access)
4.02 W (HDD Hibernation) 		43.92 W (Access)
28.43 W (HDD Hibernation)
British Thermal Unit 67.96 BTU/hr (Access)
13.71 BTU/hr (HDD Hibernation) 		149.86 BTU/hr (Access)
97.01 BTU/hr (HDD Hibernation)
Notes
  • For more information on how power consumption is measured, refer to this article.
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature Operating Temperature 0°C to 40°C (32°F to 104°F) 0°C to 40°C (32°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F) -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH 5% to 95% RH
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • KC
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • EAC
  • KC
Warranty 3-year hardware warranty, extendable to 5 years with Extended Warranty Plus 3-year hardware warranty, extendable to 5 years with Extended Warranty Plus
Notes
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment RoHS Compliant RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 1
  • Quick Installation Guide X 1
  • 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
  • 3.5" SATA HDD: HAT5300
  • Surveillance Device License Pack
Notes - The original non-ECC memory modules must be removed before the optional ECC memory modules can be installed. For more information, visit here.
Download Center & Compatibility