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Synology SA3400D RackStation


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(Optional Accessories / HDD / SSD (Quote for more information) SATA expansion unit RAM Module Rail Kit Sliding NVMe SSD Network Upgrade Module Ethernet Adapter Surveillance Device License Enterprise-Grade SATA SSD... Read more

Vendor: SynologySKU: SA3400DN/ATags: Network Access Storage, Storage, Synology

(Optional Accessories / HDD / SSD (Quote for more information)

  • SATA expansion unit
  • RAM Module
  • Rail Kit Sliding
  • NVMe SSD
  • Network Upgrade Module
  • Ethernet Adapter
  • Surveillance Device License
  • Enterprise-Grade SATA SSD 3.5"

Accessible and Convenient:

  • Maintain data availability with an active-passive high availability dual-controller module

Versatile Applications:

  • Manage, distribute, and protect data
  • Back up endpoints and guard physical premises

Fast and Efficient:

  • Over 3,500/2,900 MB/s seq. read/write throughput
  • Over 500 TB maximum storage capacity

Built-in High Availability:

  • Automatic minute-level failover for file sharing services, block storage, backups, and office applications
  • Real-time workload protection

Made for Demanding Environments:

  • Outstanding performance in both NAS and SAN storage roles
  • Efficient SMB, NFS, iSCSI, and Fibre Channel support

Consolidate Your Data Infrastructure:

  • Versatile business solutions for managing, protecting, and sharing data
  • Unified platform for team collaboration, sandbox applications, and VM storage

Private Cloud Management:

  • Efficient and secure folder sharing across desktop, mobile, and web-based applications
  • Microsoft AD or LDAP integration for user access and permissions management

Efficient Cross-Site File Syncing:

  • Seamless data access and collaboration across multiple locations

Built-In Data Protection:

  • Comprehensive backup tasks for PCs, servers, SaaS accounts, and VMs
  • Active Backup Suite for centralized management and quick restoration

Business Productivity Solutions:

  • Synology productivity tools for document collaboration (Synology Office), on-premises mail server (MailPlus), and secure communication (Synology Chat)

Supports Industry-Leading Virtualization Platforms:

  • Flexible options for storage capacity, I/O performance, and networking needs

Up to 576 TB Raw Capacity:

  • Scalable storage with optional RXD1219sas expansion units

Up to 25GbE Networking:

  • Enhance network performance with optional add-in cards

Performance Backed by Synology Drives:

  • Engineered for intensive 24/7 workloads
  • Enterprise Series 3.5" SAS HDDs for top-grade performance

SA3400D Technical Specifications:


  • Number of Controller Module: 2
  • CPU Model: Intel Xeon D-1541
  • CPU Quantity: 1 (per controller)
  • CPU Frequency: 8-core 2.1 (base) / 2.7 (turbo) GHz


  • System Memory: 8 GB DDR4 ECC UDIMM (per controller)
  • Total Memory Slots: 4 (per controller)
  • Maximum Memory Capacity: 64 GB (16 GB x 4) (per controller)


  • Drive Bays: 12
  • Maximum Drive Bays with Expansion Unit: 36 (RXD1219sas x 2)
  • Compatible Drive Type: 3.5” dual-port SAS HDD, 2.5” dual-port SAS SSD
  • Hot Swappable Drive: Yes

External Ports:

  • RJ-45 1GbE LAN Port: 2 (with Link Aggregation / Failover support) (per controller)
  • RJ-45 10GbE LAN Port: 1 (per controller)
  • Expansion Port: 1


  • PCIe Expansion: 1 x Gen3 x8 slot (x8 link) (per controller)

File System:

  • Internal Drives: Btrfs, ext4


  • Form Factor (RU): 2U
  • Size (Height x Width x Depth): 88 mm x 482 mm x 724 mm
  • Weight: 19.7 kg
  • Rack Installation Support: 4-post 19" rack (Synology Rail Kit - RKS-02)


  • Operating Temperature: 0°C to 35°C
  • Storage Temperature: -20°C to 60°C
  • Relative Humidity: 5% to 95% RH




  • 5 Years

Package Contents:

  • Main Unit x 1
  • Accessory Pack x 1
  • AC Power Cord x 2
  • Quick Installation Guide x 1

Optional Accessories:

  • DDR4 ECC UDIMM, Expansion Units, Enterprise Series SAS HDDs, Network Interface Cards, Rail Kit, Surveillance Device License Pack

Synology has you covered with a 5-year limited warranty, including technical support and hardware replacement services. Elevate your data storage experience with the SA3400D.



Shipping/Delivery Method Cost  Lead Time Delivery Period
Self Collection Free   2 Working Days  Monday to Saturday
Standard Shipping Orders below $800 = $15 5 Working Days Monday to Friday
     Orders above $800 = FREE


For Self Collection, Please call our customer service hotline (+65 6262 0402) prior to coming down. Our store is located at 2 Gambas Crescent #06-21,
Nordcom II, Singapore 757044

Delivery/ self collection may take a longer time to reach you during this time and throughout campaigns and festive season.

All goods purchased from can only be delivered to addresses within Singapore main island. We are unable to deliver to Jurong Island, Army Camps, Changi Airport, Tuas, Fisher Ports and etc.

We do not deliver outside Singapore or to post office boxes.

For products fulfilled by external vendors (Backorder), please refer to the individual product listing for more shipping information.

For more information, you may reach us via email to

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Synology SA3400D RackStation