Synology SA3400D is 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. Advanced data management and backup solutions for physical endpoints, VMs, and SaaS applications are all available in the Synology DiskStation Manager (DSM) operating system.
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- 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
- Accessible and convenient
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.
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.

- Power Button and Indicator
- High Availability Status Indicator
- Alert Indicator
- Mute Button
- Drive Status Indicators
- Drive Trays
- Rail Kit Release Tabs
- Power Ports
- PSU Indicators
- PSU Fans
- PCI Express Expansion Slots
- Console Ports
- 1GbE RJ-45 Ports
- 10GbE RJ-45 Ports
- Expansion Ports
- Reset Buttons
- Remove Indicators
- Alert Indicators
- Status Indicators
- Power Indicators













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