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QNAP TS-439 PRO+ II 4-BAY Hot-Swap RAID NAS Server 2GLAN iSCSI 3USB2.0 Black

QNAP TS-439 PRO+ II 4-BAY Hot-Swap RAID NAS Server 2GLAN iSCSI 3USB2.0 Black - 1
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QNAP Systems Inc.
Reg. Price: $639.98  CAD
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   Shipping Weight:   10.8 lbs
   Part #: TS-439-Pro II+
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Features    [ Edit | History ]

QNAPModern business faces the challenge of dramatic growth of digital data, including documents, emails, applications, and so on. To deploy the IT environment with a reliable, affordable and expandable storage center to securely store, share, and back up the digital assets has become an important task for the server managers of the SMB and entry-level enterprise nowadays.

TS-439 Pro II+ houses up to four 3.5-inch or 2.5-inch SATA hard disk drives, incorporates Intel® Atom™ 1.8GHz single core processor and 1GB memory, and is capable of delivering ultra high performance, reliability, and lower power consumption during intensive data transfers. The NAS is an efficient and powerful business storage center with advanced iSCSI services, cross-platform data sharing, and all-in-one server applications. With VMware® Ready™ and Citrix® Ready™ certification, and proven compatibility with Microsoft Hyper-V environment, the NAS is an ideal shared storage solution in the virtualized and clustered environment.

Brand New Turbo NAS Series for Business

The Most Affordable and Flexible Virtualization Solution
TS-439 Pro II+ is certified as compatible with VMware® vSphere4 (ESX 4.0 and above) and Citrix® XenServer virtualization platforms, and is also compliant with Windows 2008 Failover Cluster. The NAS can be utilized as the network shared storage of VMware, Citrix virtualization environments and Windows clustered servers. Comparing with traditional SAN (Storage Area Network), the NAS is a competitive alternative with much lower setup and maintenance costs in an IP SAN.

Feature-rich and Integrated Applications for Business
The NAS supports file sharing across Windows, Mac, Linux, and UNIX platforms. Versatile business applications such as file server, FTP server, printer server, web server, and Windows AD (Active Directory) support are provided. The dominant features, such as WebDAV, Share Folder Aggregation (also known as DFS), IPv6 and IPv4 dual-stack, Wake on LAN, schedule power on/ off, HDD S.M.A.R.T, comprehensive log systems, and policy-based unauthorized IP blocking are all included.

New iSCSI for Virtualization Deployments
Turbo NAS provides flexible and secure storage server deployment with the following enhanced iSCSI features:

  • NAS + iSCSI storage solution
    Turbo NAS can serve as a NAS (network-attached storage) for file sharing and an iSCSI storage concurrently.
  • Flexible multiple LUNs management
    The NAS supports multiple LUNs (Logical Unit Numbers) and iSCSI targets. The LUNs can be flexibly mapped to, unmapped from, and switched among different iSCSI targets.
  • Secure IP SAN environment deployment
    Designed with CHAP authentication and LUN masking, the advanced ACL (Access Control List) offers you the capability to block the access from unauthorized initiators.
  • Designed for virtualized and clustered environments
    Comparing with the high cost of Fibre Channel SAN, Turbo NAS is an affordable system that can be deployed as a storage center for virtualized and clustered server environments, such as VMware, Citrix and Microsoft Windows Failover Cluster.


iSCSI Features QNAP NAS Other NAS
VMware Ready® certified iSCSI array QNAP Supported Other NAS not Supported
Citrix Ready™ certified iSCSI storage QNAP Supported Other NAS not Supported
Windows 2008 Hyper-V and Failover Cluster compatible QNAP Supported Other NAS not Supported
SPC-3 for clustered environment deployment QNAP Supported Other NAS not Supported
MC/S for failover, load balancing and performance gain QNAP Supported Other NAS not Supported
MPIO for failover and load balancing. QNAP Supported Other NAS not Supported
LUN masking for advanced security QNAP Supported Other NAS not Supported
LUN mapping for flexible management QNAP Supported Other NAS not Supported
Thin Provisioning for efficient disk usage QNAP Supported Other NAS not Supported

Storage Expansion by Virtual Disk Drive (VDD)
The NAS supports flexible storage expansion by stacking other iSCSI targets on the network via its built-in iSCSI initiator. The connected iSCSI targets are turned into "virtual disk drives" of the NAS to provide more storage capacity.


Superior Performance and Energy-saving Design
The NAS delivers superior performance and high reliability for critical business applications. It is optimized to achieve low noise and low power consumption for environment protection.


  • FTP/SAMBA Testing Environment: Intel Core2 Quad CPU Q8300 2.50GHz/ 4GB DDRII RAM, WD640AAKS 640GB, Windows 7 Enterprise 32 Bits,Intel PRO 1000 PT Dual Port Server Adapter 82571
  • FTP/SAMBA Testing Method: Connect the TS-439 Pro II+ and PC to switch, upload/download 5GB File without Jumbo Frame, FTP Tool: File Zilla

Wake on LAN
Enable this option to power on Turbo NAS remotely by Wake on LAN.

HDD Stand-by Mode
Save power consumption by enabling this option to make HDD enter stand-by mode if there is no access within the specific period.

Scheduled Power On/Off
You can create  schedules to automatically turn on, turn off, or restart the NAS. Up to 15 schedules can bet set.

Abundant Business Features
Turbo NAS provides diversified server applications in the business environment.


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1 QNAP FTP Server
You can set up Turbo NAS as an FTP server and share the files conveniently with your friends or customers.
2 QNAP Encrypted Remote Replication
The data on Turbo NAS can be backed up to or from other Turbo NAS or Rsync servers over the network.
3 QNAP File Server
Turbo NAS allows file sharing across Windows, Mac, Linux, and UNIX platforms. It also supports WebDAV for you to access the share folders via HTTP/HTTPS protocol remotely.
4 QNAP Printer Server
Turbo NAS supports USB printer sharing over the network (max. 3 USB printers).
5 QNAP Backup Server
Turbo NAS offers you the most complete backup solution with Apple Time Machine support, remote replication to an Rsync server, Windows client backup software NetBak Replicator, and third party backup software support, and so on.
6 QNAP Virtual Host Supported Web Servernew
You can host multiple websites on Turbo NAS with the built-in web server and virtual host feature. The NAS supports PHP, MySQL, HTTPS connection, and SSL authentication. It is the ideal solution for you to create  your own websites, e-shops, blogs, content management system (CMS), wiki, and so on.
7 QNAP Surveillance Station
You can connect to maximum 4 IP cameras via Turbo NAS and set up a video surveillance system with comprehensive monitoring, recording, and playback features.
Turbo NAS supports IPv6 (Internet Protocol Version 6) which makes your NAS a dual-stack IP host running IPv4 and IPv6 at the same time.

Advanced RAID Management with Hot-swap Design
Turbo NAS offers RAID 0, 1, 5, 5 + hot spare, 6, single, and JBOD disk configurations. It also supports hot-swap design that a failed member drive of a RAID configuration (RAID 1 or above only) can be replaced by hot swapping without turning off the server.

QNAPOnline RAID Capacity Expansion
The storage capacity of a RAID configuration can be expanded by replacing the larger hard drives. All the data will be kept and seamlessly moved to the newly installed hard drives without turning off the server.



QNAPOnline RAID Level Migration
You can upgrade the disk configuration to higher RAID level with the data retained without turning off the server.


Complete Data Backup Solution
The NAS offers complete backup solution for data protection, including cloud-based storage backup (Amazon S3), Apple Time Machine support, encrypted remote replication, third party software backup, one-touch-copy backup and QNAP exclusive Windows-based utility NetBak Replicator. You can choose different backup modes for redundant data backup.

  • Windows Client Backup Software - NetBak Replicator
    QNAP NetBak Replicator is a utility provided for you to back up the files and folders from Windows PCs to Turbo NAS and restore the data. This software supports instant data backup and recovery, file filter, scheduled backup, and more.
  • Third-party Backup Software
    The NAS is compatible with popular third-party backup software, for example, Acronis True Image, CA BrightStor ARCserve Backup, EMC Retrospect, and Symantec Backup Exec.
  • Remote Replication by Rsync
    The data stored on the NAS can be remotely backed up to another QNAP Turbo NAS or to Rsync servers by Rsync over the network.
  • Apple Time Machine Backup and Managementnew
    Mac users can back up data from MacBooks to the NAS via Time Machine. This feature largely saves the storage space of your MacBooks. You can also specify the storage space dedicated to Time Machine backup on the NAS and manage the backup data easily via the web-based administration interface.
  • One-touch-copy Backupnew
    You can configure the one-touch-copy button on the front of the NAS to copy the data from the NAS to an external storage device or vice versa. The NAS supports EXT3/EXT4; NTFS and HFS+ file systems for high speed data transfer and enhanced compatibility between the NAS and Windows PC or Mac OS X.


Benefits of Dual LAN Deployment
The Turbo NAS supports multiple bonding modes: Balance-rr (Round-Robin), Active Backup, Balance XOR, Broadcast, IEEE 802.3ad, Balance-tlb (Adaptive Transmit Load Balancing) and Balance-alb (Adaptive Load Balancing)

Scenario Benefits to your company
Provides continuous services when one network port fails.
Load Balancing

QNAPAggregates bandwidth to boost the file transfer speed.
QNAPData traffic is evenly distributed to balance network loading.

Multi-IP Setting
Allows sharing among different workgroups in two different subnets.

Practical System and Authority Control Management Tools

QNAP Instant SMS and Email Alert
You can configure the SMTP server and SMSC server settings on the NAS in order to receive instant system warning or error messages by email and/or SMS.
QNAP SNMP (Simple Network Management Protocol)
You can collect the information, warning or error of the NAS and send to maximum 3 SNMP servers for centralized management and real-time monitoring.
QNAP Comprehensive Event Log System
Detailed logs of file-level data access to the NAS via SAMBA, iSCSI, FTP, AFP, HTTP, HTTPS, Telnet, and SSH, and networking services accessed by online users are all recorded.
QNAP S.M.A.R.T. & Advanced HDD Health Scanning (HHS)
S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) helps you monitor the hard disk drives status. Moreover, Turbo NAS supports HHS (HDD Health Scan) for disk checking and bad blocks scanning.

Smart Fan
The fan rotation speed is automatically adjusted according to the server's temperature. You can also define the system temperatures to trigger high speed or low speed fan rotation. By manually setting the fan rotation speed, the fan will rotate at the defined speed continuously.

Policy-based Automatic IP Blocking
To prevent the NAS from malicious attacks, you can create  an IP filter policy to allow, deny, or auto-block the IP address or network domain which attempts to connect to the NAS via SSH/Telnet/HTTP(S)/FTP/Samba/AFP.

Syslog Settings
All the system event logs and connection logs can be saved to a remote Syslog server.

Detailed System Information
You can view the system status, such as CPU usage, total memory, free memory, packets received, packets sent, error packets, system up time, CPU temperature, system temperature, hard disk drive temperature, and system fan speed.

AES 256-bit Volume-based Data Encryption
The disk volume with AES 256-bit encryption can only be accessed by an authorized encryption password or key. This prevents the NAS data from unauthorized access and data breach even if the hard disk drives were stolen.
*The data encryption functions may not available in accordance to the legislative restrictions of some countries.

DOM Architecture and Fail-safe Dual OS
Two operating systems are built on the DOM of Turbo NAS for system booting alternatively upon every system startup. When one fails, the other one will be used to boot up the NAS, and the failed OS is recoverable from the other healthy OS.

Touch-N-Go PC-less Installation
You can use the front panel LCD display to complete the first time installation in a few simple steps. Turbo NAS will automatically complete the hard disk formatting and RAID building.


Windows Active Directory (AD) Authentication
You can import the user accounts* from a Windows AD domain to the NAS to let the domain users access the domain and the NAS with the same login settings. The NAS also supports setup of large amount of users and user groups.
*200,000 domain users and user groups can be imported according to QNAP's lab test.

Shared Folder Aggregation
You can easily access the share folders of other servers on Microsoft Networking through the "portal folder" on Turbo NAS. This saves your time and effort to login different servers one by one.


Network UPSNew
This feature allows multiple Turbo NAS servers on the same physical network to be protected by a single UPS via receiving UPS notification about abnormal power supply.

Web File ManagerNew
Turbo NAS provides a web-based management interface Web File Manager for you to access and manage the server data anytime, anywhere by a web browser. Web File Manager supports intelligent data search, batch files upload and download, file extraction, and so on. With the support for encrypted data transfer and access control management on the NAS, you can access and share the data by Web File Manager securely.

ISO CD/DVD Archiving and SharingNew
Turbo NAS supports mounting ISO images of CD and DVD discs as network shares for data archiving, storage, and sharing. This feature saves the space for storing the physical discs, reduces the risk of data loss caused by disc wearing and tearing, and enhances the performance of data sharing on a business network.

Multimedia StationNew
Multimedia Station is a web-based application which lets you watch your photos and videos, and play music on the NAS by a web browser. You can also share the multimedia files with your friends and publish photos to popular social networking sites such as Facebook, Plurk, Twitter, Blogger, and so on.

Data Access by iPhone and Android Mobile DevicesNew
QNAP offers a free multimedia application QMobile for users of iPhone and Android handsets to carry all the multimedia files on the NAS in their pocket. You can stream videos, watch and upload digital pictures, play music that are stored on the NAS over the network and share your music playlists with other iPhone or Android phones users.

Software Expansion via QPKG
You can maximize the usage of Turbo NAS by installing additional QPKG software packages developed by the users and community worldwide.


Specifications    [ Edit | History ]
Hardware Spec.
CPU Intel Atom 1.8GHz Single-core Processor
Flash Memory 512MB DOM
HDD 2.5/ 3.5" SATA x4
  1. The system is shipped without HDD.
  2. For the HDD compatibility list, please visit
HDD Tray 4 x Hot-swappable and lockable tray
LAN Port 2 x Gigabit RJ-45 Ethernet port
LED Indicators Status, LAN, USB, eSATA, Power, HDD 1, HDD 2, HDD 3, HDD 4
USB 5 x USB 2.0 port (Front: 1; Back: 4)
Support USB printer, pen drive, USB hub, and USB UPS etc.
eSATA 2 x eSATA port (Back)
Buttons System: Power button, USB One-Touch-Backup Button, Reset button
LCD panel Mono-LCD display with backlight
Enter button, select  button for configuration
Alarm Buzzer System warning
Form Factor Tower
Dimensions 177 (H) x 180 (W) x 235 (D) mm
6.97 (H) x 7.09 (W) x 9.25 (D) inch
Weight Net weight: 3.65 kg (8.04 lbs)
Gross weight: 4.65 kg (10.24 lbs)
Sound Level (dB) w/o HDD installed: 29.1 dB
Stand by: 36.9 dB
In operation: 37.3 dB
(with 4 x 500GB HDD installed)
Power Consumption (W) Sleep mode: 23W
In Operation: 33W
Power-off (in WOL mode): 1W
(with 4 x 500GB HDD installed)
Temperature 0~40°C
Humidity 0~95% R.H.
Power Supply Input: 100-240V AC, 50/60Hz, Output: 250W
Secure Design K-lock security slot for theft prevention
VGA Reserved VGA interface for maintenance
Fan 1 x quiet cooling fan (9 cm, 12V DC)
Design and specifications are subject to change without notice.

Software Spec.

Operating System

  • Embedded Linux

Supported Operating System

  • Microsoft Windows 2000, XP, Vista (32/ 64 bit), Windows 7 (32/ 64 bit), Server 2003/ 2008
  • Apple Mac OS X
  • Linux & Unix

Supported Web Browsers

  • Internet Explorer 7 & 8 or later
  • Firefox 3 or later
  • Safari 3 & 4 or later
  • Google Chrome

Multilingual Support

  • Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Russian, Spanish, Swedish.

File System

  • Internal HDD: EXT3, EXT4
  • External HDD: EXT3, EXT4, NTFS, FAT32, HFS+


  • TCP/IP (IPv4 & IPv6: Dual Stack)
  • Dual Gigabit LAN with Jumbo Frame
  • Multi-IP Setting, Port Trunking/ NIC Teaming (Modes: Balance-rr, Active Backup, Balance XOR, Broadcast, IEEE 802.3ad/ Link Aggregation, Balance-tld and Balance-ltd.)
  • DHCP Client, DHCP Server
  • Protocols: CIFS/SMB, AFP (3.2), NFS (v3), FTP, HTTP, HTTPS, Telnet, SSH, iSCSI and SNMP.
  • Network Service Discovery (UPnP, Bonjour)

Network File Sharing

  • CIFS/SMB (Plus DFS Support)
  • AFP
  • NFS (v3)
  • FTP
  • WebDAV

Backup Solution

  • USB One Touch Backup (Import/Export)
  • Apple Time Machine Support with Backup Management
  • Block-level Remote Replication
    • Work as Both Rsync Server & Client
    • Supports Encrypted Replication between QNAP NAS Servers
  • Back up to External Storage Device
  • Back up to Cloud Storage (Amazon S3)


  • IP Filter
  • Network Access Protection with Auto-blocking
  • HTTPS Connection
  • FTP with SSL/TLS (Explicit)
  • Supports SFTP (admin only)
  • AES 256-bit Volume-based Encryption
  • Encrypted Remote Replication (Rysnc over SSH)
  • Importable SSL Certificate
  • Instant Alert via Email, SMS, and LCD

Disk Management

  • Single Disk, JBOD, RAID 0 / 1 / 5 / 5+Hot Spare / 6
  • Online RAID Capacity Expansion
  • Online RAID Level Migration
  • HDD S.M.A.R.T
  • Bad Block Scan
  • AES 256-bit Volume-based Encryption
  • RAID Recovery
  • Bitmap Support
  • Supports ISO Mount


  • iSCSI Target
    • Multi-LUNs per Target
    • Up to 256 LUNs
    • Supports LUN Mapping
    • Supports LUN Masking
    • Supports SPC-3 Persistent Reservation
    • Supports MPIO & MC/S
  • Virtual Disk Drive (via iSCSI Initiator)
    • Stack Chaining Master
    • Max. Virtual Disk Drives: 8

Server Virtualization & Clustering

  • Supports VMware vSphere (ESX/ESXi 4.0 and above)
  • Supports Citrix XenServer (5.6)
  • Supports Windows Server 2008 Hyper-V & Failover Clustering

Power Management

  • Wake on LAN
  • Scheduled Power on/off (Max 15 settings)
  • Automatic Power on after Power Recovery

Access Right Management

  • Max User Accounts: 4,096
  • Max Groups: 512
  • Max. Share Folder: 512
  • Batch Creating Users
  • Import User List
  • User Quota Management

Windows AD Support

  • Domain Users Login via CIFS/SMB, AFP, FTP and Web File Manager
  • Supports NTLMv2 Authentication

Web Administration

  • AJAX-based User Interface
  • HTTP/HTTPS Connections
  • Alert Notification (Email & SMS)
  • Smart Fan Control
  • DDNS
  • SNMP (v2 & v3)
  • UPS Support with SNMP Management (USB)
  • Supports Network UPS
  • Resource Monitor
  • Network Recycle Bin for CIFS/SMB and AFP
  • Comprehensive Logs (Events & Connection)
  • Real-time Online User List
  • Syslog Client
  • Firmware Update
  • Backup and Restore System Settings
  • Restore to Factory Default


  • Web File Manager
  • Multimedia Station
  • Download Station
  • Surveillance Station
  • iTunes Server
  • Apache Web Server
  • MySQL Server
  • QPKG Plug-ins

QMobile App

  • QMobile for iPhone
  • QMobile for Android


  • Web Applications
    • Joomla!
    • phpMyAdmin
    • WordPress
    • AjaXplorer
    • vtigerCRM
    • GLPI
  •    P2P Applications
    • MLDonkey (eMule)
    • SABnzbd+
    • NZBGet
  • Server Applications
    • SBS (Squeezebox Server)
    • Tomcat
    • Asterisk
    • XDove (Mail Server)
  •    Media Server
    • IceStation
  • Misc.
    • Optware IPKG
    • Python
    • Java Runtime Environment
…and more
Powerful All-in-one server

File Server

  • File Sharing Across Windows, Mac OS and Linux/ Unix Platforms
  • Protocols: CIFS/SMB, AFP(3.2), NFS, FTP, HTTP, HTTPS
  • QNAP Web File Manager

FTP Server

  • FTP over SSL/TLS (Explicit)
  • Max Concurrent Connections: 256
  • FXP Supported
  • Passive FTP Port Range Control
  • FTP Bandwidth & Connection Control
  • Unicode Support

Web Server

  • HTTP/ HTTPS Connections
  • Supports WebDAV Connection
  • Support Virtual Host
  • Importable SSL Certificate

Database Server

  • Built-in MySQL Server
  • Web-based Management via phpMyAdmin (QPKG)

Backup Server

  • Remote Replication Server (over Rsync)
  • Apple Time Machine Support
  • QNAP Client Backup Application-NetBak Replicator
  • 3rd Party Backup Software Support: Acronis True Image, CA Brightstor, ARCserve Backup, EMC Retrospect, Symantec Backup Exec, LaCie Silverkeeper

iTunes Server

  • Audio and Video Sharing
  • Smart Playlist for iTunes Client (Windows & Mac OS)

Printer Server

  • Network Printer Sharing (USB)
  • Max Printers: 3

Multimedia Station

  • Supports Photo, Audio and Video
  • Image Slide Show and Rotation
  • Automatic & Schedule Thumbnail Generation for Easy Browsing
  • Display Photo Details from EXIF: Date, Exposure Time, Aperture, etc.
  • Display Audio Details from ID3 Tag: Album Cover, Title, Artist, Album, etc.
  • Access Authority Management
  • Multimedia (Video & Audio) Streaming
  • Supports Cooliris
  • Supports Web Publishing (Facebook, MySpace, MSN Live, Twitter, Plurk, Blogger)
  • Supports E-mail Publishing
  • Supported Formats:
  • Photo - JPG/JPEG, GIF, PNG
  • Audio - MP3
  • Video
  • Playback: FLV, MPEG-4 Video (H.264 + AAC)
  • Transcode: AVI, M4V, MPG/MPEG, RM/RMVB, WMV
  • QMobile App
    • QMobile for iPhone
    • QMobile for Android

Download Station

  • PC-less BitTorrent/ FTP/ HTTP Download (up to 500 tasks)
  • BitTorrent Download
    • Supports TCP/ UDP Tracker Protocol
    • Schedule Download
    • Configurable Port Range
    • Bandwidth Control
    • UPnP NAT Port Forwarding
  • HTTP/ FTP Download
    • Configurable Saving Directory
    • Bulk Download with Wildcard Setting
    • RapidShare Download Support
  • QNAP Download Management Software: QGet
    • For Both Windows & Mac OS
    • Manage the Download Tasks of Multiple QNAP NAS Remotely over LAN or WAN

Surveillance Station

  • Supports 4 IP Cameras (Optional Purchase) for Network Surveillance



QNAP Systems Inc. TS-439-Pro II+ Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding QNAP Systems Inc. TS-439-Pro II+ reviews.
Experience: 9 Days
Power draw
LCD Display
Software Support
Cheap Build
Running SCSI drives in RAID in a NAS and transferring data over WiFi makes no sense. You will be limited by your WiFi speed no matter how fast the drives are in NAS.

In addition, this NAS does beg the question. What is wrong exactly with FreeNAS OS and a cheap Pentium III system with a $35 RAID card?

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Reviews from the Web

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Posted by: PIERRE-LUC_P @08/02/11
Submit a review link   |   Latest 30 reviews
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