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Synology SA3200D
Maximize Service Availability, Minimize Downtime

Synology Products
Synology SA Series
Synology SA3200D 12 Bay Active/Passive Dual Controller SAS Storage Server
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Synology SA3200D features a dual controller architecture to ensure operations and core business functions are not severely impacted by a disaster or unplanned incident that take critical systems offline. The hardware redundancy mechanism leverages controllers, power supplies, and fans to prevent a single point of failure. Powered by the intuitive and feature-rich operating system DiskStation Manager (DSM), SA3200D provides comprehensive protection for network, file services, and applications.

  • Active-passive dual controller design in a single chassis, maximizing service availability with minute-level failover time
  • Highly available infrastructure with a competitive priceperformance ratio of US$0.05 per gigabyte
  • A scalable shared storage architecture of more than 500 TB raw capacity with minimal performance impact
  • Automatic failover mechanism, protecting services in real-time and prevent a single point of failure
  • Easy to deploy and manage data services intuitively with DiskStation Manager (DSM), providing a unified experience across Synology platforms and support comprehensive software applications
  • Certified virtualization solution with license-free workload protection

High Availability

Dual storage controllers


Shared storage design


Automatic system-level protection


Up to 36 drives for 576 TB

Designed with High Availability and Scalability

Synology SA3200D is a cost-effective yet highly available data management solution for enterprises, with a competitive priceperformance ratio of $0.05 per gigabyte. Underneath the 2U chassis are dual controller modules in an active-passive architecture, each connected to the other by the reliable, high-speed Non-Transparent Bridge (NTB) with low latency. Service continuity is also backed up by the hardware redundancy mechanism of modularized power supplies and fans to prevent a single point of failure.

With SA3200D, you can start small and grow in the future. It supports up to 12 x 3.5"/2.5" SAS interface drive slots by default, and the capacity can be further scaled up to 576 TB using two RXD1219sas4 expansion units, with minimal performance impact3. Data replication is not needed for the shared storage design, saving valuable rack space and network bandwidth when compared with two devices using Synology High Availability.

Real-Time Protection with Automatic Failover

With an active-passive design consisting of dual controller modules and the built-in Synology High Availability (SHA) service, SA3200D is built to provide a real-time, system-level protection to maximize service availability. It actively monitors network status and critical file services of CIFS, iSCSI, AFP, FTP, NFS, and Synology Directory Server. Once a controller module or the service is unavailable, the system will fail over automatically within a minute1 to minimize system interruption and ensure service continuity.

Easy to Deploy, Easy to Manage

SA3200D is designed to help IT administrators easily deploy and manage a highly available data management infrastructure. The system features straightforward, wizard-based GUI setup processes that allow you to build up a highly available service environment within minutes. Service status monitoring is made easy and intuitive.

Powered by DiskStation Manager (DSM), an intuitive, user-friendly webbased operating system across Synology hardware platforms, SA3200D provides IT administrators a unified user experience without the need to adapt to different user interfaces and complex configuration settings. With a full suite of software applications supported in the Package Center, you can download and install a variety of packages including backup, data protection, and virtualization.

Virtualize Workloads Flexibly in a Protected Environment

Synology Virtual Machine Manager (VMM) is an intuitive hypervisor software application allowing you to easily set up virtual machines and run various operating systems, including Windows, Linux, and Virtual DSM. By integrating the computing and the storage nodes into one system, single vendor support experience is achieved to lower the management cost.

With VMM, each virtual machine can be fully protected by a set of disaster recovery features including instant snapshot, replication, clone, and restore, safeguarding your virtual machines without additional cost.


Scales up with you

SA3200D supports two RXD1219sas expansion units for up to 36 SAS 3.5"/2.5" bays. Scale up to 575 TB without down time to quickly meet new demands.

The Intel Xeon D-1521 processor on each controller provides enterprise-class reliability, availability, and serviceability.

4 x DDR4 memory slots
8 GB ECC UDIMM, expandable up to 64 GB for more demanding workloads.

Modularized cooling
Dual fan modules per controller allow for easy maintenance and replacement.

Operating system files are isolated from the stored data, providing higher throughput and stability.

Non-Transparent Bridge (NTB)
Faster and lower-latency connectivity between controllers.

Ultimate Backup Solution

SA3200D integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

Active Backup for Business

Active Backup for Business

Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.

Hyper Backup

Hyper Backup

Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.

Drive Package

Drive Package

Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.

Active Backup for Office 365 / G Suite

Active Backup for Office 365 / G Suite

On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Fully certified storage virtualization solutions

Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Fully certified storage virtualization solutions

Virtual Machine Manager

Sandbox new software, manage resources using a single interface, and increase deployment flexibility with Synology Virtual Machine Manager. Run Windows, Linux, and Virtual DSM instances on your Synology NAS in just a few steps.

  • Snapshots for virtual machines
    Clone and restore complete virtual machines within seconds.
  • Multi-tenant environment
    Create multiple isolated virtual machines for business units or departments.

Powered by Synology DiskStation Manager

High Availability

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

Snapshot Replication

Snapshot Replication

Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for quick disaster.

Central Management System

Central Management System

Conveniently manage your fleet of Synology NAS from a centralized console.


Hyper Backup

Store multiple backup versions with block-level incremental data backup and cross-version deduplication.

Public Cloud Integration

Active Backup Suite

Integrated, modern, and license-free backup & instant recovery solution for VMware, Windows, Microsoft 365, and G Suite.

Virtual Machine Manager

Virtual Machine Manager

Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.

5-year warranty

At Synology, we are committed to product innovation and quality. The RS4021xs+ is backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment.


  1. Power Button & Indicator
  2. Beep off button
  3. Drive Trays
  4. Drive Status Indicator
  5. Power port
  6. PSU indicator and beep off button
  7. PSU fan
  8. PCIe expansion slot
  9. Console Port
  10. 1GbE RJ-45 Ports
  11. 10GbE RJ-45 (10GBase-T) port
  12. Expansion Ports
  13. Reset Button
SA3200D Hardware Specifications:
Hardware Specifications
Number of controller module 2
CPU (per controller) Intel Xeon D-1521 4-core 2.4 GHz, Turbo Boost up to 2.7 GHz
Hardware encryption engine Yes (AES-NI)
Memory (per controller) 8 GB DDR4 ECC UDIMM (expandable up to 64 GB)
Compatible drive type 12 x 3.5"/2.5" SAS SSD/HDD (drives not included)
Hot swappable drive Yes
External port 1 x expansion port
Size (Height x Width x Depth)
  • 88 x 430.5 x 692 mm
  • 88 x 482 x 724 mm (with server ears)
Weight 19.7 kg
LAN port (per controller)
  • 2 x 1GbE RJ-45
  • 1 x 10GbE RJ-45 (10GBASE-T)
PCIe 3.0 slot (per controller)
  • 1 x 8-lane x8 slots
  • High-performance network interface card support
System fan (per controller) 2 (60 x 60 x 51 mm)
AC input power voltage 100 V to 240 V AC
Power Frequency 50 to 60Hz, single phase
Operating Temperature 0°C to 35°C (32°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH
Maximum operating altitude 5,000 m (16,400 ft)
General DSM specification
Networking protocol SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)
File system Btrfs, ext4
Supported RAID type Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, Synology RAID F1
Storage management
  • Maximum single volume size: 108TB/200TB (at least 32 GB RAM required, for RAID 5 or RAID 6 groups only)
  • Maximum system snapshots: 65,536
  • Maximum internal volume: 64
SSD cache Read/write cache support
File sharing capability
  • Maximum local user account: 16,000
  • Maximum local group: 512
  • Maximum shared folder: 512
  • Maximum concurrent SMB/NFS/AFP/FTP connection: 1,200
Privilege Windows Access Control List (ACL), application privileges
Directory service Windows AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
Virtualization VMware vSphere 6.5, Microsoft Hyper-V, Citrix, OpenStack
Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)
Supported client Windows 7 onwards, macOS 10.11 onwards
Supported browser Chrome, Firefox, Internet Explorer 11 onwards, Safari 11 onwards; Safari (iOS 11 onwards), Chrome (Android™ 6.0 onwards)
File Server & Synchronization
Drive Provide a universal portal to synchronize your files across various platforms, including Windows, macOS, Linux, Android and iOS. The built-in universal portal allows you to access data anytime and anywhere.
  • Maximum number of hosted files: 3,000,000
  • Maximum number of concurrent connections for PC clients: 1,800
File Station Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups, creating sharing links, transfer logs
FTP Server Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the network with TFTP and PXE support, transfer logs
Presto File Server High-speed data transfer over WAN with exclusive SITA technology between Synology NAS and desktop
Cloud Sync One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, Amazon S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers, Yandex Disk
Universal Search Offer global search into applications and files
File Server & Synchronization
iSCSI Manager
  • Maximum iSCSI target: 256
  • Maximum iSCSI LUN: 512
  • iSCSI LUN clone/snapshot support
Virtual Machine Manager Deploy and run various virtual machines on Synology NAS, including Windows, Linux, or Virtual DSM
Data Protection & Backup Solution
Hyper Backup Support local backup, network backup, and data backup to public clouds
Backup tools
  • DSM configuration backup, macOS® Time Machine® support, Synology Drive Client desktop application
  • Shared folder sync - maximum task number: 32
Snapshot Replication
  • Maximum of shared folder snapshots: 1,024
  • Maximum of replication: 64
Active Backup for G Suite Support G Suite My Drive and Team Drive backup and restoration
Active Backup for Microsoft 365 Support Office 365 OneDrive for Business, mail, contacts, and calendar backup and restoration
Active Backup for Business All-in-one backup solution designed for heterogeneous business IT environment, enabling IT admins to remotely manage and monitor protection over PC, servers and VM on one centralized console
Productivity & Collaboration
Collaboration tools Collaborate with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology Calendar
  • Chat maximum user: 4,000
  • Office maximum user: 2,800
  • Calendar: support CalDAV and access via mobile devices
Note Station Rich-text note organization and versioning, encryption, sharing, media embedding and attachments
Surveillance Station Maximum IP camera: 100 (total of 3,000 FPS at 720p, H.264) (Including two free camera licenses. Additional cameras require the purchasing of additional licenses)
All-in-One Server
Synology Directory Server Provide a flexible and cost-effective domain controller solution
Central Management System Provide a single interface to manage and monitor multiple Synology NAS
VPN Server
  • Maximum connection: 40
  • Supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec
Mail Server
  • Supported Mail Server protocols: POP3, SMTP, IMAP
  • LDAP/AD account support
Mail Station Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server
Web Station Enables hosting for up to 30 websites with support for PHP/MariaDB and 3rd-party applications.
Other packages DNS Server, RADIUS Server, Log Center
Storage Analyzer Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, least recently accessed files
Antivirus Essential Full system scan, scheduled scan, white list customization, virus definition auto update
Security Advisor Malware detection/removal, user account/password, network, system-related security scan
Other packages Additional 3rd-party packages available on Package Center
Certifications and Packaging
Environment safety RoHS compliant
Package content
  • 1 x SA3200D main unit
  • 1 x Quick Installation Guide
  • 1 x Accessory pack
  • 2 x AC power cords
Optional accessories
  • 8 GB DDR4-2666 ECC UDIMM (D4EC-2666-8G)/16 GB DDR4-2400 ECC UDIMM (D4EC-2400-16G)
  • Synology E10G17-F2/E10G18-T1/E10G18-T2 10Gbps Ethernet adapters
  • Synology RKS1317 - Rail Kit Sliding
  • Synology Expansion Unit RXD1219sas
  • VisualStation units: VS960HD, VS360HD
  • Surveillance Device License Pack
  • MailPlus License Pack
  • Virtual DSM License Pack
Warranty 5 Years


Download the Synology SA3200D Datasheet  (PDF).

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Pricing Notes:

Synology Products
Synology SA Series
Synology SA3200D 12 Bay Active/Passive Dual Controller SAS Storage Server
Our Price: Request a Quote
96TB Bundle
Synology SA3200D (12 Bay) with Exos 7E8 HDD 512E SAS Hard Drive ( QTY 12x8TB) 96TB Capacity
Our Price: Request a Quote
Synology SA3200D (12 Bay) with Exos 7E8 HDD 512E/4kn SATA Hard Drive (QTY 12x8TB) 96TB Capacity
Our Price: Request a Quote
120TB Bundle
Synology SA3200D (12 Bay) with Exos X16 HDD 512E SAS Hard Drive ( QTY 12x10TB) 120TB Capacity
Our Price: Request a Quote
Synology SA3200D (12 Bay) with Exos X10 HDD 512E SATA Hard Drive (QTY 12x10TB) 120TB Capacity
Our Price: Request a Quote
144TB Bundle
Synology SA3200D (12 Bay) with Exos X16 HDD 512E SAS Hard Drive ( QTY 12x12TB) 144TB Capacity
Our Price: Request a Quote
Synology SA3200D (12 Bay) with Exos X14 HDD 512E/4KN SATA Hard Drive (QTY 12x12TB) 144TB Capacity
Our Price: Request a Quote
168TB Bundle
Synology SA3200D (12 Bay) with Exos X16 HDD 512E/4KN SAS Hard Drive ( QTY 12x14TB) 168TB Capacity
Our Price: Request a Quote
Synology SA3200D (12 Bay) with Exos X16 HDD 512E/4KN SATA Hard Drive (QTY 12x14TB) 168TB Capacity
Our Price: Request a Quote
192TB Bundle
Synology SA3200D (12 Bay) with Exos X16 HDD 512E/4KN SAS Hard Drive ( QTY 12x16TB) 192TB Capacity
Our Price: Request a Quote
Synology SA3200D (12 Bay) with Exos X16 HDD 512E SATA SED Hard Drive (QTY 12x16TB) 192TB Capacity
Our Price: Request a Quote