Synology Surveillance in 2026: DVA, AI Search & Multi-Site
A Synology NAS has long been able to function as more than a file server. With Surveillance Station, the same ecosystem can manage IP cameras, retain recordings, generate alerts, control user access, and centralize surveillance across multiple locations. But Synology’s surveillance strategy is becoming considerably more ambitious in 2026.
The new DVA7400 brings enterprise-scale AI processing directly on-premises, including natural-language video searches, attribute-based investigation, face recognition, license plate recognition, and support for up to 100 cameras. At the same time, Surveillance Station continues to provide centralized management for distributed recording servers, while the new Surveillance365 service gives organizations another way to manage cameras across multiple sites without installing a recording server at every location.
For businesses deciding whether Synology can serve as the center of a modern surveillance environment, the answer increasingly depends on scale, AI requirements, retention needs, and whether the deployment should remain entirely on-premises.
Surveillance Station Remains the Center of the Synology Ecosystem
Surveillance Station is Synology’s video management system for live monitoring, recording, notifications, analytics, investigation, and centralized administration. It supports Synology NAS systems, dedicated DVA appliances, Synology Cameras, and a broad range of third-party IP cameras.
Synology currently lists compatibility with more than 20,000 IP camera models from approximately 200 brands, along with ONVIF devices, I/O modules, door controllers, IP speakers, POS systems, and other security hardware. That makes Surveillance Station relevant to both new installations and organizations that already have an existing camera fleet. You do not necessarily have to replace every existing camera simply because you want to move surveillance management to Synology.
The DVA7400 Changes the Scale of Synology AI Surveillance
The biggest 2026 hardware development is the DVA7400. Synology launched the appliance in August 2026 as its flagship Deep Learning Analytics system. Unlike a typical desktop NAS being used as an NVR, the DVA7400 is designed specifically for larger security deployments.
It is a 2U, 12-bay rackmount appliance capable of processing up to 100 high-resolution camera feeds while running as many as 40 real-time deep-learning analytics tasks simultaneously.
That is a significant jump from Synology’s smaller DVA systems. For comparison, the DVA1622 supports up to 16 cameras and two standard Deep Video Analytics tasks, or one face-recognition task. The DVA7400 therefore targets a completely different environment: campuses, warehouses, manufacturing sites, larger retail operations, corporate facilities, and multi-location businesses.
AI Video Search Is Becoming Much More Useful
Traditional surveillance investigation often means knowing approximately when something happened and manually reviewing footage around that time. The DVA7400 introduces a more useful approach.
Its Semantic Video Search allows operators to search recorded video using natural-language descriptions.
Instead of manually scanning hours of recordings, an investigator could search for an event based on what they remember seeing. Synology’s current Surveillance Station specifications confirm that Semantic Video Search on the DVA7400 supports natural-language event searches and AI-generated event summaries. The DVA7400 also uses dedicated hardware resources for semantic searches, allowing searches to run independently from its 40 real-time analytics tasks. That separation matters because running an investigation should not necessarily require disabling live analytics elsewhere in the surveillance system.
Attribute Search Helps Narrow Down People and Vehicles
Natural-language search is not the only investigation tool.
The DVA7400 also supports Attribute Search.
Surveillance Station can identify attributes including:
- Upper-body clothing color
- Lower-body clothing color
- Vehicle color
- Vehicle type
An operator investigating an incident could therefore narrow results based on visible characteristics rather than watching every person or vehicle that appeared during a particular period.
This becomes especially useful when several cameras cover entrances, parking areas, corridors, warehouses, or public spaces.
Instead of asking only, “What happened at Camera 12?”, the surveillance workflow starts becoming, “Where else did this person or vehicle appear?”
Re-Identification Can Reconstruct Movement Across Cameras
Synology is also developing that cross-camera investigation capability further. The DVA7400 includes a feature called Find Repeated Objects, designed to associate repeated appearances of a person across different cameras and zones so investigators can reconstruct movement through a facility.
However, Synology currently notes that this capability is scheduled for a future update rather than being available at the appliance’s initial release. That distinction is important when purchasing hardware based on future AI features. The DVA7400 hardware may be designed for the feature, but organizations should evaluate what is actually available in their installed Surveillance Station version before making it part of an operational requirement.
DVA Still Adds AI to Existing Third-Party Cameras
One of the strongest arguments for a DVA appliance is that the AI intelligence does not necessarily have to reside inside every camera. Synology states that the DVA7400 performs server-side analytics and can add its AI capabilities to existing compatible IP camera fleets. That can change the economics of a surveillance upgrade. A company may already own dozens of functioning ONVIF or other compatible IP cameras. Replacing them all with new AI-enabled cameras could be expensive. Adding a central DVA appliance can provide another route to more advanced analytics while preserving much of the existing camera investment.
The DVA7400 Supports Much More Than Search
Semantic search receives attention because it is new, but the DVA platform supports a broader set of analytics.
Current DVA7400 capabilities include:
- People and vehicle detection
- Intrusion detection
- People counting
- Vehicle counting
- Face recognition
- License plate recognition
- Attribute Search
- Semantic Video Search
The DVA7400 can run up to 40 people/vehicle detection, counting, or intrusion tasks, while face-recognition and license-plate-recognition workloads support up to 20 tasks depending on configuration.
That allows Surveillance Station to move beyond simply answering, “Is there motion?” It can help answer more specific questions about who entered, which vehicle appeared, whether a person crossed a restricted boundary, or whether occupancy exceeded a predefined level.
Not Every Business Needs the DVA7400
The launch of a large AI appliance does not suddenly make the smaller DVA systems irrelevant.
The DVA1622 remains more appropriate for compact installations.
It supports:
- Up to 16 camera streams
- Up to two standard DVA tasks
- One face-recognition task
- HDMI output
- Local keyboard and mouse operation
- Eight included Surveillance Station device licenses
That makes it practical for small retail locations, homes, offices, clinics, or other sites where local monitoring and a modest number of AI analytics tasks are sufficient.
The correct surveillance architecture should be based on the number of cameras and analytics tasks required rather than automatically selecting the most powerful appliance.
Multi-Site Surveillance Is One of Synology’s Strongest Capabilities
A company with ten locations should not have to log into ten completely separate surveillance systems every time an incident occurs. Synology addresses this through Surveillance Station Centralized Management System, or CMS. CMS allows one Synology system to act as the host server and centrally manage multiple recording servers. Business video surveillance solutions can centralize security across multiple locations.
Recording servers can be grouped into logical sites, allowing organizations to manage different stores, offices, campuses, warehouses, or regions from one interface. Surveillance Station’s current specifications support centralized management of up to 5,000 recording servers and 50,000 cameras in a CMS architecture. Actual host capacity depends heavily on the Synology model selected.
CMS Host Hardware Needs to Match the Deployment
The headline maximum of 50,000 cameras should not be interpreted as something every DiskStation can manage.
Synology publishes specific sizing guidance.
For example, its April 2026 CMS recommendations list:
- DS225+: up to 5 recording servers and 100 cameras
- DS725+, DVA1622 and DVA3221: up to 15 servers and 300 cameras
- DS1525+: up to 40 servers and 1,000 cameras
- SA3410: up to 300 servers and 5,000 cameras
- HD6500: up to 3,000 servers and 30,000 cameras
Those figures illustrate why the CMS host should be designed as infrastructure rather than chosen simply because an unused NAS is available. The DVA7400 itself can also operate as a central management server for distributed Surveillance Station environments.
CMS Can Also Provide Surveillance Failover
Centralized management is not only about convenience. CMS supports failover architecture. Synology provides an N+M failover model, where backup servers can take over recording services when primary recording servers become unavailable.
Surveillance Station can migrate device licenses during failover and later restore recordings, snapshots, and archived footage when the original recording server returns. For businesses, that changes surveillance from a single-appliance installation into something closer to managed infrastructure. If cameras are protecting warehouses, retail locations, manufacturing facilities, or regulated environments, recording-server availability may be an operational requirement rather than a convenience.
Surveillance365 Introduces Another Multi-Site Option
Synology added a second major approach in July 2026 with Surveillance365. Surveillance365 is a cloud-managed Video Surveillance as a Service platform built for distributed environments. Instead of placing a Synology recording server at every location, compatible Synology Cameras can record locally to microSD storage while being centrally managed through a web portal or mobile application.
The cameras perform AI analytics such as:
- People Detection
- Vehicle Detection
- Intrusion Detection
- Loitering Detection
directly on the camera.
This makes Surveillance365 particularly interesting for smaller remote locations where deploying a NAS or DVA appliance at every site would be excessive.
Surveillance365 and Surveillance Station Solve Different Problems
These two products should not be confused.
Surveillance Station + CMS makes sense when you want:
- On-premises recording servers
- Central storage
- Larger camera deployments
- Existing third-party cameras
- Advanced DVA analytics
- Long retention periods
- Local control
- Server failover
- More complex security infrastructure
Surveillance365 becomes interesting when you want:
- Rapid deployment
- Smaller distributed locations
- Synology Cameras
- Central cloud management
- Minimal on-site IT equipment
- Edge recording
- Optional cloud backup
A business could potentially use both approaches.
A headquarters or large warehouse might run Surveillance Station and a DVA appliance, while smaller branch offices use Surveillance365-compatible cameras.
Synology describes Surveillance365 as part of a broader hybrid cloud surveillance ecosystem rather than simply a replacement for Surveillance Station.
Synology Cameras Can Reduce Licensing Complexity
Camera licensing is another factor to include when planning a Synology surveillance system.
The DVA7400 ships with two Surveillance Station device licenses, so organizations using large fleets of third-party cameras will need additional license packs. Smaller DVA appliances can include different license counts; the DVA1622, for example, includes eight. Synology Cameras use a different value proposition because compatible Synology Cameras do not require separate Surveillance Station device licenses.
For a large deployment, the purchase price of the cameras should therefore be evaluated alongside:
camera hardware + licenses + recording storage + DVA processing + retention requirements
rather than considering camera price alone.
Storage Planning Still Matters Even With Better AI
AI does not eliminate the basic mathematics of video retention.
Camera count, resolution, frame rate, codec, bitrate, recording schedule, and retention period determine how much storage the surveillance environment needs. A 100-camera DVA7400 deployment can therefore require very different storage capacity depending on whether cameras record continuously or only around events.
Retention planning should account for:
- Required number of days
- H.264 versus H.265
- Camera resolution
- Frames per second
- Continuous versus event recording
- Legal or compliance requirements
- Archive requirements
- Backup requirements
- Future camera growth
The appliance should be sized around those requirements before purchasing drives.
Surveillance Footage Needs Backup Too
RAID should not be mistaken for surveillance backup. RAID can help maintain availability when a drive fails, but it does not protect against every possible event.
Important footage may also need protection against:
- NAS failure
- Theft of the recording appliance
- Fire
- Accidental deletion
- Administrative mistakes
- Ransomware
- Site-wide disaster
Synology supports recording backup and archiving to remote systems, while its broader surveillance ecosystem also includes cloud protection options. C2-based backup can provide another copy of surveillance recordings away from the physical site, and Surveillance365 supports optional C2 OneStorage backup with configurable retention. The correct strategy depends on how valuable the recordings are after an incident occurs. Cyber security measures help protect surveillance systems from evolving digital threats.
Synology Surveillance in 2026 Is No Longer Just “NAS + Cameras”
The important change in Synology surveillance is architectural.
A small installation can still be relatively simple:
Cameras → Synology NAS → Surveillance Station
A more advanced deployment might become:
Cameras → DVA7400 → AI analytics → local recordings
A multi-site company could use:
Branch recording servers → Surveillance Station CMS → centralized management and failover
And a highly distributed organization may combine:
Synology Cameras → Surveillance365 → centralized cloud management
with traditional Surveillance Station installations at larger sites.
This range makes Synology increasingly relevant to organizations that want to grow from a few cameras into a coordinated multi-site surveillance system without abandoning the same broader ecosystem.
Which Synology Surveillance Architecture Should You Choose?
For a small office, home, or retail location, a standard Synology NAS running Surveillance Station or a DVA1622 may provide everything required.
For environments that need face recognition, sophisticated detection, or multiple server-side AI workloads, dedicated DVA hardware becomes more attractive. For larger facilities and enterprises, the DVA7400 is a significant 2026 upgrade because it combines 100-camera capacity, 40 simultaneous AI analytics tasks, Semantic Video Search, Attribute Search, and multi-site CMS capabilities in one appliance. For distributed locations without local server infrastructure, Surveillance365 introduces another path.
The question is therefore no longer simply whether Synology can record security cameras.
The better question is:
How much intelligence, retention, centralization, and resilience does the surveillance environment require?
Once those requirements are defined, Synology now offers several different ways to build the system.
About Epis Technology
Epis Technology helps businesses design and deploy Synology surveillance infrastructure around real camera counts, retention requirements, AI analytics, networking, storage capacity, and multi-site operations. Services include Surveillance Station deployment, DVA appliance planning, Synology Camera integration, third-party camera migration, CMS architecture, multi-site surveillance, recording storage design, 10GbE networking, remote monitoring, surveillance backup, failover planning, cybersecurity, and disaster recovery. Epis Technology can help determine whether a standard Synology NAS, compact DVA system, DVA7400, Surveillance365 deployment, or hybrid architecture provides the right combination of privacy, scalability, AI capabilities, and long-term cost.