Synology RackStation SA3400D 12-Bay Diskless SAS Dual Controller

SA3400D

Keep services online with efficient high-availability 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 throughput1 and over 500 TB maximum storage capacity2

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.

Efficient and secure folder sharing

View, edit, and share data through desktop, mobile, and web-based applications. Enable user access to shared folders over SMB or NFS and leverage Microsoft AD or LDAP integration for efficient user access and permissions management. Learn more

Back up PCs, servers, SaaS accounts, and VMs

Consolidate and automate backup tasks for PCs, servers, VMs, SaaS applications, and more with Active Backup Suite. Manage all backup tasks from a central console and quickly restore specific files, entire devices, virtual services, and employee SaaS accounts to keep your business running. Learn more

Boost team productivity with collaborative tools

Improve collaboration in the workplace with Synology productivity solutions. Create, edit, and share documents across teams in real time with Synology Office. Host an on-premises mail server with MailPlus,4 providing web-based email access while retaining full data ownership. And stay connected via secure one-on-one chats, public channels, encrypted private channels, and group conversations in Synology Chat. Learn more

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.6

Add storage capacity on demand
Scale server capacity up to 576 TB7 when your data storage needs increase by adding two 12-bay RXD1219sas expansion units.

Boost network and I/O performance
Add 10/25GbE connectivity with optional add-in cards.8 Create all-flash storage volumes with SAS SSD for lightening-fast I/O, or boost IOPS and cut down latency on HDD volumes by creating SAS SSD read/write cache volumes.9

Performance backed by Synology drives

Engineered to handle intensive workloads, Synology hard drives consistently deliver top-grade performance.