Hardware

• CPU: 1.2GHz, 16bit@DDR800
• Memory: 128MB
• Internal HDD¹: 2.5" SATA(II)/SSD X4
• Max Internal Capacity: 2TB (4x 500GB hard drives)⁸ (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:² 24dB(A)
• Power Recovery
• AC Input Power Voltage: 100V to 240V
• Power Frequency: 50Hz to 60Hz, Single Phase
• Max Supported IP Camera: 8⁷ (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

Power Consumption³

• 19W(Access);
  12W(Hibernation)

Certification

• FCC Class B, CE Class B, BSMI Class B

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

Security

• 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

Utilities

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

Applications

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

iPhone Applications

• DS photo
• DS audio

Packages

• Mail Station
• phpMyAdmin
• SqueezeCenter
• Webalizer

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, WAV⁴, AIF⁴
• 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 Format⁹: 3G2, 3GP, ASF, AVI, DAT, DivX, FLV, M4V, MOV, MP4, MPEG, MPG, QT, WMV, XviD, RM⁵, RMVB⁵, VOB⁵
• Image Format: BMP, JPG (jpe, jpeg), GIF

Management

• AJAX-based Management UI
• Sub-folder Privileges Setting
• User Home
• Applications privileges Setting
• BitTorrent Port Range Setup
• BitTorrent DHT Support
• Changing Management UI Ports
• CIFS Recycle Bin
• Download Station Bandwidth control
• Download Station Port Range Setup
• Editable HTTP Error Page
• Email Alert Message
• Email Notification for New User
• Package Management
• External HDD Hibernation (eSATA, USB)
• Scheduled Power On/Off
• Firmware Upgrade
• FTP passive port range
• Hide-able Shared Folder
• Internal HDD Hibernation
• Movable Shared Folder
• Removable Default Shared Folder
• System Temperature
• DDNS
• PPPoE
• Resource Monitor
• SMS Notification
• SNMP
• UPS Management (Over USB 2.0)
• User Quota
• Web-based Download Station 2

RAID/Storage Management

• Volume Type: Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 5+Spare, RAID 6
• Upgrade from Basic to RAID 1, from Basic to RAID 5, from RAID 1 to RAID 5, from RAID 5 to RAID 5+Spare
• Expand RAID 1, RAID 5, RAID 5+Spare or RAID 6 with Larger Hard Drives
• Expand RAID 5 by Adding a Hard Drive On The Fly
• iSCSI

Backup Solutions

• Network Backup
• Local Backup
• Desktop Backup (using Synology Data Replicator 3)
• Time Machine Backup (Mac)
• 3rd-Party Backup Support

Supported Clients

• Windows 2000 onward
• Mac OS X 10.3 onward
• Linux

Supported Browsers

• Internet Explorer 6, 7
• Internet Explorer 8
• Firefox 3
• Firefox 3.5
• Safari 3 (Mac)
• Safari 4 (Mac)

Supported Mobile Devices (Photo Station, File Station)

• iPhone OS 2.2.1 and onward
• Windows Mobile (IE Mobile or Opera 9.0 onward)
• Symbian OS 9.1, S60 3rd Edition onward

Printer Support⁶

• Max Printer #: 2
• Supported Protocols: LPR, CIFS, AppleTalk

Languages

• English, German, French, Italian, Spanish, Danish, Norwegian, Swedish, Dutch, Russian, Japanese, Korean, Czech, Polish, Traditional Chinese, Simplified Chinese, Portuguese (Brazil), Portuguese (European), Turkish, and Hungarian

Environment

• RoHS Compliant

Package Content

• DS409slim Main Unit
• Installation CD
• Welcome Note
• Assembling Kit
• AC Power Adapter
• AC Power Cord
• 2M RJ-45 LAN Cable

___
1.  Hard drive not included.
2.  FAN only. Measured at 2300~6200RPM, varied among models. More details about dB(A) value, check
http://www.quietnoise.com/facts.htm
3.  measured with 4 Seagate 320GB ST9320325AS hard drives. The figures could vary on different environments.
4.  The music can be streamed, but the metadata (ex:title, album) may not be indexed on the iTunes.
5.  User can click and download the file, but not play it in Photo Station as compressed Flash video.
6.  For Mac users, DS409slim supports PostScript USB printers only.
7.  1 free license to install 1 IP camera. Additional licenses can be purchased to expand the license quota.
8.  The actual capacity will differ according to volume types.
9.  AC3, AMR, DTS, RV30, RV40, WMA3 codec are not supported.