Synology SA3400D
Keep services online with efficient high-availability storage
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Overview:
Resilient and Dependable Servers for Businesses
Designed for reliable data storage, the dual-controller Synology SA3400D provides a cost-effective and compact high-availability solution for businesses of all sizes. With up to 192 TB of raw storage capacity (576 TB when fully expanded), this 12-bay enterprise server is equally suitable for file and block storage.
High-availability file and block storage solution

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 and over 500 TB maximum storage capacity
Built-in High Availability
Keep file sharing services, block storage, backups, and other office applications online with automatic minute-level failover. Defend against operational disruptions with two independent and hot-swappable controllers operating in an active-passive configuration.


Made for demanding environments
The SA3400D is engineered to provide outstanding performance in both NAS and SAN storage roles. Its throughput and random I/O performance support efficient SMB and NFS file serving as well as a range of iSCSI and Fibre Channel block storage applications.
Features:
Consolidate your data infrastructure
Manage, protect, and share data with versatile business solutions. Empower team collaboration, sandbox applications, and provide VM storage on a unified platform.
Private cloud management


Built-in data protection


Business productivity solutions



Flexible options to meet changing needs
Flexibly scale storage capacity, optimize I/O performance, and meet different network needs with a range of expansion options.
Up to
576 TB
raw capacity
Up to
25GbE
networking
Up to
218/92K IOPS
read/write with SSD cache
Specifications:
SA6400 Hardware Specifications: | |
---|---|
Hardware Specifications | |
Number of Controller Module | 2 |
CPU Model | Intel Xeon D-1541 |
CPU Quantity | 1 (per controller) |
CPU Core | 8 |
CPU Architecture | 64-bit |
CPU Frequency | 2.1 (base) / 2.7 (turbo) GHz |
Hardware encryption engine | Yes (AES-NI) |
Memory | 8 GB DDR4 ECC UDIMM (per controller) |
Memory Module Pre-instaled | 8 GB (8 GB x 1) (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 |
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Hot swappable drive | |
External port |
|
Expansion Port | 1 (per controller) |
Expansion Port Type | Mini-SAS HD |
PCIe Expansion | 1 x Gen3 x8 slot (x8 link) (per controller) |
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) |
Notes | The rail kit is sold separately |
Fan Speed Mode |
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System fan | 60 mm x 60 mm x 2 pcs |
Easy Replacement System Fan | |
Power Recovery | |
Noise Level | 51.3 dB(A) |
Power Recovery | |
Wake on LAN/WAN | |
Power Supply Unit/Adapter | 550 watts |
Redundant Power Supply | |
AC input power voltage | 100 V to 240 V AC |
Power Frequency | 50 to 60Hz, single phase |
Power Consumption | 257.78 watts (Access) |
British Thermal Unit | 879.58 BTU/hr (Access) |
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 |
Certifications and Packaging | |
Environment safety | RoHS compliant |
Package content |
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Optional accessories |
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Warranty | 5 Years |
Documentation:
Download the Synology SA3400D Datasheet (PDF).

Synology has you covered
The SA3400D is backed by Synology's 5-year limited warranty,10 including technical support and hardware replacement services to maximize your return on investment and ensure continuous, high-quality performance.
- All Prices are Inclusive of GST
- Pricing and product availability subject to change without notice.
Our Price: Request a Quote