• CPU Frequency : 1.2GHz
• Hardware Encrypted Engine
• Memory : DDR2 256MB
• Internal HDD/SSD : 3.5" or 2.5" SATA(II) X 2 (with Disk Holder) (Hard drive not included)
• Max Internal Capacity : 6TB (2X 3TB HDD) (Capacity may vary by RAID types) (See All Supported HDD)
• External HDD Interface : USB 2.0 Port X 2
• Size (HxWxD) : 165 X 100 X 225.5 mm
• Weight : 0.94Kg
• LAN : Gigabit X1

• System Fan : 92x92mm X 1
• Wireless Support
• Noise Level : 18.3 dB(A)
• Power Recovery
• AC Input Power Voltage : 100V to 240V AC
• Power Frequency : 50 / 60Hz, Single Phase
• Power Consumption : 17.6W (Access) ; 5.5W (HDD Hibernation)
• Operating Temperature : 40 to 95°F (5 to 35°C)
• Storage Temperature : 15 to 155°F (-10 to 70°C)
• Relative Humidity : 5% to 95% RH
• Maximum Operating Altitude : 10,000 feet
• Certification : FCC Class B, CE Class B, BSMI Class B
• Warranty : 2 Years

• File Browser
• File Station
• FTP Server
• Bandwidth Control, Custom FTP Passive Port Range, Anonymous FTP, Transfer Log
• Mail Server
• Supported Mail Server Protocol : POP3, SMTP, IMAP
• Web Station
• Virtual Host (up to 30 websites)
• PHP/MySQL
• Alternative HTTP Error Page
• 3rd-Party Applications Support
• Surveillance Station
• MAX IP cam # (Licenses required) : 5 (1 Free License) (See All Supported IP Cameras)
• Total Frames per Second (FPS) : 50 FPS @ D1 (NTSC：720x480, PAL：720x576), 10 FPS @ WXGA (1280x800).
• Recording Modes : Manual, Continuous, Motion Detection, Alarm, Motion Detection and Alarm
• Event Playback : Sync Mode (4 Channels), Time Slicing Mode
• Centralized Management
• Compression Formats : MJPEG, MPEG-4, H.264
• Photo Station
• Supported Image Format : BMP, JPG (jpe, jpeg), GIF, RAW (arw, srf, sr2, dcr, k25, kdc, cr2, crw, nef, mrw, ptx, pef, raf, 3fr, erf, mef, mos, orf, rw2, dng, x3f)
• Supported Video Format : 3G2, 3GP, ASF, AVI, DAT, DivX, FLV, M4V, MOV, MP4, MPEG, MPG, QT, WMV, XviD, RM, RMVB, VOB, RV30, RV40, AC3, AMR, WMA3
  User can click and download the following video formats: RM, RMVB, VOB, RV30, RV40, AC3, AMR, WMA3, but not able to play it in Photo Station as compressed Flash video.
• Audio Station
• Supported Audio Format (USB Mode) : AAC, FLAC, M4A, MP3, Ogg Vorbis, WMA, WMA VBR
• Supported Audio Format (Streaming Mode) : MP3, M4A, M4B
• Supported Playlist Format : M3U, WPL
• Internet Radio : SHOUTcast, Radioio

• DLNA/UPnP Media Server
• PS3/Xbox 360 Support
• Supported Audio Format : AAC, FLAC, M4A, MP3, Ogg Vorbis, PCM, WAV, WMA, WMA VBR, WMA PRO, WMA
• Supported 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, RMVB (The actual playback capabilities may vary depending on the DLNA/UPnP client)
• Supported Image Format : BMP, JPG (jpe, jpeg), GIF, ICO, PNG, PSD, TIF (tiff), UFO
• Download Station
• Supported Download Protocols : BT/HTTP/FTP/NZB/eMule
• Custom BT Port Range
• BT / eMule Bandwidth Control
• iTunes Server
• Supported Audio Format : MP3, M4A, M4P, WAV, AIF, The music in WAV and AIF format can be streamed, but the metadata (ex: title, album) may not be indexed on the iTunes
• Supported Video Format : M4V, MOV, MP4
• Supported Playlist Format : M3U, WPL
• Printer Server
• Max Printer # : 2
• Printing Protocols : LPR, CIFS, AppleTalk, AirPrint, Multi Functional Print Server (Only PostScript USB printers are supported in MAC environment)
• Synology Packages
• Mail Station2
• phpMyAdmin
• VPN Server
• Webalizer
• Squeezebox Server
• Time Backup
• iPhone/Android Applications
• DS photo+
• DS audio
• DS cam
• DS file
• DS finder

• Networking Protocols
• CIFS
• AFP
• NFS
• FTP
• WebDAV
• iSCSI
• Telnet
• SSH
• SNMP
• File System
• EXT4
• EXT3(External Disk Only)
• FAT (External Disk Only)
• NTFS (External Disk Only)
• Storage Management
• Max Volume # : 256
• Max File System Size : 16TB
• Max iSCSI Target # : 10
• Max iSCSI LUN # : 10
• Supported RAID Type : Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1
• RAID Migration : Basic to RAID 1
• Volume Expansion with Larger HDDs : RAID 1
• File Sharing Capability
• Max User Accounts : 512
• Max Groups : 128
• Max Shared Folder : 256
• Max Concurrent Connections : 64
• Windows Access Control List (ACL)
• Windows ADS Domain Integration
• Domain Users login via Samba/AFP/FTP/File Station
• Backup Solutions
• Network Backup
• Local Backup
• Desktop Backup (using Synology Data Replicator 3 or Apple Time Machine backup application)
• Shared Folder Sync - Max task number : 2
• Time Backup - Max task number : 2
• Time Machine Backup (Mac)

• Security
• FTP over SSL/TLS
• IP Auto-Block
• Firewall
• Encrypted Network Backup over Rsync
• HTTPS Connection
• Management
• Auto DSM Upgrade
• Administrator Group
• Email Notification
• SMS Notificatio
• Customized User Quota
• DDNS Support
• IPv6 Support
• PPPoE
• Resource Monitor
• UPS Management
• Scheduled Power On/Off
• Custom Management UI HTTP/HTTPS Ports
• HDD Management
• HDD Hibernation
• S.M.A.R.T.
• Dynamic Bad Sector Mapping
• Utilities
• Synology Assistant
• Synology Data Replicator
• Supported Clients
• Windows XP onward
• Mac OS X 10.5 onward
• Ubuntu 9.04 onward
• Supported Browsers
• Chrome
• Firefox
• Internet Explorer : 7, 8, 9
• Safari (MAC) : 4, 5
• Supported Mobile Devices (Photo Station, File Station)
• iPhone OS 2.2.1 onward
• Android OS 1.5 onward
• Windows Mobile (IE Mobile or Opera 9.0 onward)
• Symbian OS 9.1, S60 3rd Edition onward
• Language : Czech, Danish, Dutch, English, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese Brazil, Portuguese European, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish

Environment and Packaging