1U (4-bay) Rackmount with RAID 0/1/5, NAS Server with Windows Active Directory Service Support

Item# ST-SYN-RS406
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Synology® Series RS-406

Rack-mount design, terabyte capacity, RAID redundancy, ADS support, and hot swappable hard drives, make the RS-406 one of most competitive rack-mount NAS server in todays market.

Hot Swappable Hard Drives

RS-406 has most of the great features of the Disk Station and the Cube Station including hot swappable hard drives. The RISC-based design delivers more-than-adequate performance and better thermal handling; RS-406 is surely the first choice to satisfy the storage needs of SMB and enterprise.

Work with Windows ADS

Rack Station itself already includes account management, but what if you want your Windows-domain colleagues to share the function-rich server? The Windows domain support is compatible with Windows ADS and NT4 Domain. Windows domain users now can enjoy the exciting features of Rack Station.

Transfer Data Securely

If you are worried about critical data being accessed via Internet, the Secure FTP and Secure Network Backup can put your mind at ease. Secure FTP uses mature SSL/TLS technology. Secure Network Backup uses the industry-proven SSH package to transfer data.

Protect Your Data with Redundancy

RS-406 supports large-capacity RAID 0 and reliable RAID 1 and RAID 5. It also supports Non-RAID volume for single drives.

Total Backup Solution

Data backup is so important but people tend to ignore it, RS-406 makes data backup so complete and automatic that backup is always happening without much attention. From Network Backup to Local Backup, to PC Backup (Synology Data Replicator II), you can always find backup alternatives that fit your needs

Product Features:
  • Supports RAID 0,1,5
  • Network Attached Storage, Share your digital content over the network
  • Supports Windows Active Directory Service (ADS)
  • Build-in Dynamic Web Site Server with PHP and MySQL support
  • Share your Photo over Internet with build-in Photo Station
  • Share your USB Printer over Network with build-in USB Printer Server
  • One-Touch USB Backup from your USB device, such as Digital Camera, MP3 player to Disk Station
  • Support UPnP Multimedia Player for Digital Home
  • Unattended Download for HTTP, FTP and BitTorrent with build-in Download Station Functions 
  • Encrypted FTP Server with Hack Preventions
  • Total backup solution, support NAS to NAS, PC to NAS and NAS to external hard drive backup
  • Support USB or eSATA External Hard Drive for Storage Expansions

Form Factor

1U (4-Bay) Rackmount Enclosure

Host Interface

Gigabit Ethernet

Drive Interface

SATA I / SATA II x 4, Supports up to 4 x 500GB Hard Drive

RAID Level Support

RAID 0, 1, 5

Front Panel Expansion Ports


Back Panel Expansion Ports

USB 2.0 x 2

Support Networking Protocol


Windows ADS Support


Supported Applications

Web Server with PHP+MySQL Support
USB Printer Sharing Server
FTP Server
Photo Station 2
Backup Server
Download Station with bandwidth control
UPnP Multimedia Server
iTunes Server
UPS support over USB

Management Interface

Web-Based Management

Power Supply

100V to 240V AC

Supported OS

Windows XP/2000/2003, Mac OS X or above,  Linux 2.4 or above



Dimension (W x D x H)

18.1” x 16.5 ” x 1.8 ”


15.9 lb