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The Synology DS409slim is a four-bay network storage device that comes in a maximum 3TB capacity.

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Comes with a host of software like iTunes server,PHP/MySQL, Download Station 2

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DNLA certified/can stream multiple audio and video formats to compatible tv's, stereo systems, Xbox, PS3 etc.

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Accepts SATA II HDD as well as SSD

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eSATA connection and 2 USB connections

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Swappable 4-bay drive with Basic, JBOD, RAID 0/1/5/6, and RAID 5+Spare

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The Synology DS409slim is a four-bay network storage device that comes in a maximum 3TB capacity and offers a variety of drive configurations such as Basic, JBOD, RAID 0/1/5/6, and RAID 5+Spare. UPnP compatibility has been integrated for streaming audio and video to DNLA compatible devices such as televisions, stereo systems and consoles like Xbox and PS3 and multiple popular file formats are also supported. A host of applications such as an iTunes server and Synology's Audio Station come with the drive, the latter of which works with the(not included) direction-free remote control to allow you to freely operate it when hooked up to a set of USB speakers. The DS (Disk Station) series accepts both HDD and SSD drives and is ideal for a small office or home backup server. Disk Station Manager 2.2 software is the main operating program for the drive and is a web based platform that you access with your web browser to manage the drive contents.

It can be configured to perform automatic backups of any computer on it's network as well as having an included FTP server. An eSATA connection is included as well 2 USB 2.0 ports with one in the front, as well as Gigabit LAN for connecting to a network. There is also a USB copy button on the side panel that lets you copy the contents of a USB device directly to the drive. Green LED's for each drive as well as status and LAN indicators are also found on the front panel.



  • CPU: 1.2GHz, 16bit@DDR800
  • Memory: 128MB
  • Internal HDD: 2.5" SATA(II)/SSD X4
  • Max Internal Capacity: 2TB (4x 500GB hard drives) (See All Supported HDD)
  • External HDD Interface: USB 2.0 port X2, eSATA port X1
  • Size: 120mm X 105mm X 142mm
  • Weight: 0.66kg
  • LAN: Gigabit X1
  • Fan: X1(60mmX60mm)
  • Noise Level: 24dB(A)
  • Power Recovery
  • AC Input Power Voltage: 100V to 240V
  • Power Frequency: 50Hz to 60Hz, Single Phase
  • Max Supported IP Camera: 8 (See All Supported IP Cameras)
  • Operating Temperature: 5°C to 35°C (40°F to 95°F)
  • Storage Temperature: -10°C to 70°C (15°F to 155°F)
  • Relative Humidity: 5% to 95%RH
  • Maximum Operating Altitude: 10,000 feet


  • Surveillance Station 3
  • Photo Station 3
  • File Station 2
  • Audio Station
  • Web Station
  • Download Station 2
  • iTunes Server

iPhone Applications

  • DS photo
  • DS audio


  • Mail Station
  • phpMyAdmin
  • SqueezeCenter
  • Webalizer

Networking Protocols

  • CIFS
  • AFP (3.1)
  • FTP
  • NFS
  • Telnet/SSH

Windows ADS Domain Integration

  • ADS Support
  • Domain users login via Samba/AFP/FTP
  • Synology Data Replicator 3 for Domain Users


  • Firewall
  • Auto-Block
  • "FTP over SSL (explicit)" or "FTP over TLS (explicit)"
  • Encrypted Network Backup
  • Encrypted rsync
  • HTTPS Connection

File System

  • EXT3
  • FAT (External Disk Only)
  • NTFS (External Disk Only)

File Sharing

  • Max User Accounts: 1,024
  • Max Groups: 128
  • Max Shared Folder: 256
  • Max Concurrent Connections(SAMBA, FTP, AFP): 64


  • Synology Assistant
  • Synology Data Replicator 3
  • Synology Download Redirector
  • Add printer wizard

DLNA/UPnP Media Server Support

  • DLNA Certified
  • Sony PS3, Microsoft Xbox360 (See All Supported DMA)
  • Audio Format: AAC, FLAC, M4A, MP3, Ogg Vorbis, PCM, WAV, WMA, WMA VBR, WMA PRO, WMA Lossless
  • Video Format: 3GP, 3G2, ASF, AVI, DAT, DivX, DVR-MS, ISO, M2T, M2TS, M4V, MKV, MP4, MPEG1, MPEG2, MPEG4, MTS, MOV, QT, SWF, TP, TRP, TS, VOB, WMV, XviD
  • Image Format: BMP, JPG (jpe, jpeg), GIF, ICO, PNG, PSD, TIF (tiff), UFO
  • Playlist Format: WPL, M3U

iTunes Server Support

  • Audio Format: MP3, M4A, M4P, WAV, AIF
  • Video Format: M4V, MOV, MP4
  • Playlist Format: M3U, WPL

Audio Station Support

  • USB Mode: (Audio) AAC, FLAC, M4A, MP3, Ogg Vorbis, WMA, WMA VBR (Playlist) M3U, WPL (Internet Radio) SHOUTcast, Radioio
  • Streaming Mode: (Audio) MP3 (Playlist) M3U, WPL

Photo Station 3 Support

  • Video Format: 3G2, 3GP, ASF, AVI, DAT, DivX, FLV, M4V, MOV, MP4, MPEG, MPG, QT, WMV, XviD, RM, RMVB, VOB
  • Image Format: BMP, JPG (jpe, jpeg), GIF
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