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Downloads can vary across product revisions. Please select the correct hardware revision.


• DNS-320
• DNS-320-1TB (includes preinstalled 1 x 1TB hard disk drive)
• DNS-320-2TB (includes preinstalled 1 x 2TB hard disk drive)
• DNS-320-4TB (includes preinstalled 2 x 2TB hard disk drive)



•    1x 10/100/1000 Mbps auto MDIX Gigabit Ethernet
•    1x USB 2.0 port
•    2x SATA II 3.5 HDD interfaces


Disk management:

•    RAID: standard, JBOD, RAID 0, RAID 1
•    RAID 1 auto/manual rebuild
•    S.M.A.R.T. disk status monitoring
•    Scandisk
•    HDD reformat



•    DCHP client / static IP
•    NTP server
•    Dynamic DNS
•    Bonjour


File system:

•    EXT3 for internal HDD
•    FAT32, NFTS (read only) for USB external storage


Network file services:

•    Support for Windows XP/Vista/7, Mac OSX 10.5, Linux
•    NFS v2/v3
•    AFP 3.1


Folder/user/group management:

•    Share folder level permission
•    Public folder
•    Quotas for users/groups
•    Users can be assigned to multiple groups


Remote File Sharing:

•    Remote file access (AjaXplorer)
•    BitTorrentTM client



•    UPnP Media server (support for PS3, Xbox, Boxee Box)
•    iTunesTM server
•    FTP server
•    USB Print server


Backup management:

•    Scheduled backup from PC to NAS
•    Apple Time MachineTM support
•    USB one-touch backup


System management:

•    Web GUI
•    EasySearch Utility for Windows XP/Vista/7
•    Open (share) and Account (user) modes supported
•    System status
•    Email alerts
•    System/FTP log

Power management:

•    D-Link Green™
•    HDD Hibernation
•    AutoPower recovery
•    Schedule Power Off
•    Smart fan control


Enhanced RAID Roaming upgrade compatibility

New destination model
DNS-320 A2 DNS-325 DNS-345 DNS-320L
DNS-320 A2
DNS-325 (EXT3)
DNS-325 (EXT4)

This D-Link product includes software code developed by third parties, including software code subject to the GNU General Public License (“GPL”) or GNU Lesser General Public License (“LGPL”). As applicable, the terms of the GPL and LGPL, and information on obtaining access to the GPL code and LGPL code used in this product, are available to you at:
The GPL code and LGPL code used in this product is distributed WITHOUT ANY WARRANTY and is subject to the copyrights of one or more authors. For details, see the GPL code and the LGPL code for this product and the terms of the GPL and LGPL.