Description
The Synology DVA3221 is a mid–sized, AI-powered Network Video Recorder engineered for enterprise and campus surveillance deployments. It runs on DiskStation Manager (DSM) and integrates a dedicated neural processing unit (NPU) to deliver real-time deep learning analytics across up to 32 IP cameras—without additional licensing fees. With hot-swappable drive bays, expandable memory, and flexible connectivity, it offers a balanced blend of performance, reliability, and manageability.
Hardware Specifications
| Specification | Details |
|---|---|
| CPU | Intel Atom C3538 quad-core 2.1 GHz |
| Neural Processing Unit (NPU) | Synology Deep Learning Accelerator |
| Memory | 8 GB DDR4 ECC (expandable to 32 GB, 2 DIMM slots) |
| Drive Bays | 4 × hot-swappable 3.5″/2.5″ SATA HDD/SSD |
| Maximum Raw Capacity | Up to 64 TB (4 × 16 TB drives) |
| Network Interfaces | 4 × 1 GbE RJ-45 (Link Aggregation/Failover) |
| USB Ports | 4 × USB 3.2 Gen 1 |
| Expansion Slot | 1 × PCIe Gen 3 ×4 (for optional 10 GbE NIC) |
| Power Supply | 100–240 VAC, 80 W internal |
| Dimensions (H × W × D) | 101.6 × 188 × 232 mm |
| Weight | 2.3 kg |
Performance & Storage
| Metric | Specification |
|---|---|
| Recording Channels | Up to 32 (H.264/H.265) |
| NPU-Accelerated Analytics | Real-time object detection, classification |
| Aggregate Throughput | Up to 1 200 Mbps |
| RAID Modes | RAID 0, RAID 1, RAID 5, RAID 6, JBOD, Single |
| Encryption | Hardware AES-NI encryption engine |
The DVA3221 balances multi-stream recording and AI processing with minimal system load, ensuring smooth 24/7 operation under mixed workloads.
AI-Powered Analytics
- Object Detection: People, vehicles, and custom object classes with > 97 % accuracy.
- Intrusion & Tripwire Alerts: Virtual perimeter crossings and line‐crossing events.
- Occupancy Counting: Real-time and historical in/out statistics for people and vehicles.
- License Plate Recognition: Capture vehicle plates and trigger whitelist/blacklist actions.
- Face Recognition & Attribute Search: Identify known personnel and filter by age, gender, or mood.
- Congestion & Visitor Trends: Alerts on crowding, dwell time, and flow analysis.
- License-Free Deployment: All AI features included without extra cost.
Software Integration & Management
- Surveillance Station: Unified NVR management within DSM—live view, playback, event rule configuration, and customizable dashboards.
- DS cam Mobile App: Remote monitoring, playback, and push notifications on iOS/Android.
- Dual Recording Support: Simultaneous streaming to DVA3221 and secondary NVR or C2 cloud.
- Surveillance Station CMS: Centralized multi-site monitoring, Archive Vault offsite backup, and high-availability failover.
- Map & Floor Plan Overlays: Visualize camera layouts and real-time alarms on custom schematics or Google/OSM maps.
Environmental & Compliance
| Attribute | Specification |
|---|---|
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | –20 °C to 60 °C |
| Relative Humidity | 5 % to 95 % RH (non-condensing) |
| Certifications | CE, FCC, BSMI, VCCI, KC, UKCA, RCM |
Warranty & Service
- 3-year limited hardware warranty
- Optional Extended Warranty Plus for up to 5 years with on-site service
Ideal Use Cases
- Campus and enterprise buildings requiring scalable AI surveillance
- Retail environments with people counting and dwell-time analysis
- Access control integration with facial recognition and license plate reading
- Hybrid on-premises/cloud archival for compliance and disaster recovery
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