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SS-439 Pro
SS-439 Pro
High-performance 4-bay NAS server for SMBs
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QNAP SS-439 Pro is the new generation 2.5" SATA 4-bay model of the worldwide award-winning Turbo NAS Series designed to deliver high performance and reliable server features such as advanced RAID protection, built-in iSCSI target service, and AES 256-bit volume-based encryption for small business.

The SS-439 Pro houses four reliable and low power 2.5" SATA hard drives.  It is particularly designed for business users who are looking for a network storage solution of high data security for data backup and numerous powerful server applications. The SS-439 Pro is an energy-saving server with low heat output and low noise level.

Powered by Intel Atom 1.6 GHz CPU and 1GB DDRII memory, the SS-439 Pro supports RAID 0/ 1/ 5/ 6/ 10/ 5 + hot spare, single, JBOD, Online RAID Capacity Expansion, and Online RAID Level Migration. To meet the demand for high security data protection of the business users, the SS-439 Pro supports AES 256-bit volume-based encryption. The encrypted disk volumes of the NAS must be unlocked by the encryption password to be accessed, which eliminates the fear of confidential data leakage if the hard drives or the NAS were stolen. The SS-439 Pro can serve as a NAS and an iSCSI target server. The built-in iSCSI target feature provides an affordable IP-SAN (Storage Area Network) alternative. Also, the “Virtual Space Allocation" (Thin Provisioning) feature is provided which allows you to flexibly allocate the capacity of iSCSI LUN (Logical Unit Number) at the beginning regardless of the physical volume capacity.

Moreover, the SS-439 Pro supports file sharing across Linux, UNIX, Mac, and Windows. It provides numerous applications, e.g. file server, FTP server, printer server, web server (with phpMyAdmin, MySQL, SQLite, Joomla!). It is an ideal storage solution for your office network.

Brand new user Interface available

QNAP Turbo NAS Firmware

Feature-rich Applications for Business

The SS-439 Pro supports file sharing across Linux, UNIX, Mac, and Windows platforms. Different applications are supported, e.g. file server, FTP server, printer server, web server, and encrypted remote replication. Also, windows AD (Active Directory) is supported to help create an easy-to-access environment and lower the maintenance cost. SSH login and web page SSL login enable users to transfer, store, and share data securely.

The Most Affordable and Flexible iSCSI Solution

The SS-439 Pro can serve as a NAS and an iSCSI target server. The built-in iSCSI target feature provides an affordable IP-SAN (Storage Area Network) alternative for SMB. You can set up the NAS to expand the storage capacity for existing application servers, such as database server and mail server in an economic way. Moreover, the "Virtual Space Allocation" (Thin Provisioning) feature is provided which allows you to flexibly allocate the capacity of iSCSI LUN (Logical Unit Number) at the beginning regardless of the physical volume capacity.

Secure Data Protection by AES 256-bit Volume-based Encryption

The SS-439 Pro's dominant "volume-based encryption" feature secures the server data by AES 256-bit encryption. Even if the hard drives were stolen, there is no need to fear that the confidential data would be leaked since the data can only be accessed by an authorized password.

*Note: Data encryption functions may not be available in accordance to legislative restrictions of some countries.

Benefits of Dual Gigabit LAN Deployment

Failover Supported for Network Reliability

The dual LAN ports can be configured as failover which allows the NAS server to sustain the failure of one network port to provide continuous services.

Better Performance with Load Balancing

The two LAN ports of the NAS can be configured as load balancing mode for bandwidth aggregation to boost the file transfer speed (works with managed Ethernet switch with 802.3ad configured).

Multi-IP Setting for Serving Two Different Subnets

The NAS can be deployed with two IP settings for sharing among different workgroups in two different subnets.

High Reliability, Disaster-proof NAS for Business

DOM Architecture with Embedded Fail-safe Dual OS

All the OS and applications are embedded on the DOM. The NAS allows system booting without accessing the physical disk sectors and that avoids unsuccessful system startup caused by bad block sectors or file errors on the hard drives. Two operating systems are built on the DOM for system booting alternatively upon every system startup. When one fails, the other one will be used to boot up instead, and the failed OS is recoverable from the other healthy OS.

Advanced RAID Management with Hot-swap Design

The NAS offers advanced RAID 0, 1, 5, 6,10, 5 + hot spare, single, and JBOD disk configurations. It also supports hot-swap design that a failed drive can be replaced by hot swapping without turning off the server. Besides, the best-in-class RAID on the NAS brings users a higher level of data security by allowing one more hard drive failure than other NAS of the same level.

Online RAID Capacity Expansion

The storage capacity of a RAID configuration can be expanded by replacing the hard drives with larger ones. All the data will be kept and seamlessly moved to the newly installed hard drives. There is no need to turn off the server during the process.

 

 

Online RAID Level Migration

You can upgrade the disk configuration to higher RAID level with the data retained. There is no need to turn off the server during the process.

 

 

 

Virtual Disk Drive (VDD) adds flexibility to storage expansion along with ease of management

The unique "Virtual Disk Drive" adds flexibility to expand the capacity of NAS. By using the built-in iSCSI initiator, the NAS can connect to other iSCSI targets on the network and turn them into virtual disks, which become multiple single volumes on the NAS. Up to 8 virtual disks can be stacked. The NAS serves as the storage stack chaining master. The user only needs to connect to this single entry (QNAP NAS) and is able to reach and use all the iSCSI target storages on the network.

Built-in iSCSI Target Service

The SS-439 Pro can act as a NAS and iSCSI target server at the same time. It provides a cost-efficient iSCSI solution to set up an IP-SAN. You can make use of the built-in iSCSI target service to add up to 8 iSCSI devices. Different iSCSI Target LUNs (Logical Unit Number) can be defined as storage expansion or backup destination of the existing application servers, such as database servers and mail servers.

Furthermore, the "Virtual Space Allocation" (Thin Provisioning) feature is provided which allows you to flexibly allocate the capacity of iSCSI LUN (Logical Unit Number). When the physical storage capacity of the volume is going to be full, you can easily expand the storage capacity by "Online RAID Capacity Expansion", or adjust/ remove the current unused volume space according to the demands.

Application Diagram of NAS Plus iSCSI All-in-one System

A. iSCSI Application: Storage expansion for application servers  
B. NAS Application: File sharing through SMB/CIFS, AFP and NFS

S.M.A.R.T. & Advanced HDD Health Scanning (HHS)

The NAS supports Hard Disk Drive S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) for monitoring the hard drive status. Moreover, the NAS is embedded with HHS Technology which supports disk checking and bad blocks scanning.

Cross-platform Data Sharing and Storage Center

Sharing Files across Windows, Mac, Linux, and UNIX

The NAS is designed for users to share the files across Windows, Mac, Linux, and UNIX environment.

Windows AD

The Windows AD feature enables you to import user accounts from AD domain to NAS to reduce the time and effort for account setup, and users can use the same set of login name and password.

Host Access Control New

The host-based permission control of QNAP NAS prevents unauthorized hosts (computers, servers) to access to the NAS folders via Microsoft Networking. You can specify the allowed access by host name, IP address or network.

Advanced Folder PermissionNew

Advanced folder permissions allow you to configure access control to folders and subfolders of QNAP NAS. With this feature enabled, you can manage folder permissions from Microsoft Windows or the web-based management interface of the NAS without complicated procedure.

MyCloudNAS ServiceNew

MyCloudNAS is a service which allows you to connect to your NAS remotely from anywhere. The easy-to-use wizard helps you assign a unique name to your NAS without going through the complicated process of registering DDNS service. Various NAS services can be easily published and accessed on the Internet.

Web File Manager

The NAS provides Web File Manager for you to easily download, upload, and manage the files on the server by web browser.

Ease of User and Share Folder Management

The NAS supports batch creation of users and share folders to save your time and effort in account and folder creation. For the security of Windows network environment, you can hide or show network share folders.

Power Management

Hard Disk Standby

You can configure the hard disks to enter standby mode if there is no disk access within the specified period.

Schedule Power on/ off

The flexible schedule power on/off feature is now provided on the NAS for you to manage the NAS server's up time according to the working hours. You can set the time for automatic system power on, power off, or restart on any days of the week.

UPS Support

The NAS supports the majority of USB UPS devices (usbhid-ups supported) which enables the users to store the data in time and avoid critical data loss when power outage occurs during data transfer. It also supports advanced stand-by mode setting that users can set the time for the server to enter standby mode when an abnormal AC power supply is detected. When the power resumes, the server resumes to the operation status before the power outage.

Auto Power on after Power Loss

You can configure the NAS to turn on/ off when the AC power resumes after a power loss.

Complete Data Backup Solution

The NAS offers complete backup solution for data protection, including cloud-based storage backup (Amazon S3 , ElephantDrive), Apple Time Machine support, encrypted remote replication, Real-time Remote Replication (RTRR), 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.

  • Cloud Storage Backup
    The Turbo NAS supports Amazon S3 and ElephantDrive online backup and storage services. You can perform scheduled and real-time backup and access your data easily on the Internet.
  • 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.
  • Real-time Remote Replication (RTRR)new
    Real-time Remote Replication (RTRR) provides real-time or scheduled data replication between the local NAS and a remote NAS, an FTP server, or an external drive.
  • Apple Time Machine Backup and Management
    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 Backup
    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.
    File System QNAP NAS Other NAS
    EXT4, EXT3 QNAP Supported QNAP Supported
    FAT32 QNAP Supported QNAP Supported
    High-speed NTFS QNAP Supported  Other NAS not Supported
    HFS+ QNAP Supported Other NAS not Supported
    Other NAS not Supported : Lower speed

Secure data storage, access, and sharing

  • Comprehensive event logs: Detailed logs of file-level data access to the NAS via samba, FTP, AFP, HTTP, HTTPS, Telnet, iSCSI, and SSH, and networking services accessed by online users are all recorded.
  • IP filter control: You can allow or deny specified IP connections to the NAS.
  • SSL security (HTTPS): The NAS can be accessed and configured by web browser securely.
  • Remote login to the NAS by SSH (secure shell) or Telnet connection is supported.
  • Secure FTP: The data can be transmitted with SSL/TLS (explicit) encryption. Passive FTP port range setup is also supported.
  • Write-only access right on FTP server: The third party partners are allowed to upload data to the NAS but not able to read or edit the data on FTP server.

Policy-based Unauthorized 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.

Virtual LANNew

You can integrate the NAS to an existing VLAN on a virtualization infrastructure and configure the NAS as the storage system of other VLAN devices.
By enabling VLAN on the NAS, only the devices with the same VLAN ID can access the NAS.

Wireless LANNew

QNAP NAS supports USB wireless dongles for flexible and secure deployment in wireless network environment. You can securely connect the NAS to a wireless network with a compatible b/g/n USB Wi-Fi adapter.

Powerful System Management Tools

Wake on LAN

Enable this option to power on the NAS remotely by Wake on LAN. Wake on LAN helps you manage your NAS conveniently.

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 rotation of the fan. By manually setting the fan rotation speed, the fan will rotate at the defined speed continuously.

Instant SMS & 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 or SMS.

SSL Secure Certificate

You can upload a secure certificate and an RSA private key in X.509PEM format issued by a trusted provider in order to allow the users to access the NAS by secure SSL login.

Import/ Export Usernew

The user accounts can be imported and exported in batch (BIN file) between different QNAP NAS servers.

Syslog Settings

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

Network Recycle Bin

The files deleted from the network shares of the NAS will be moved to a particular recycle bin folder. You can restore your data anytime in case of unintended file deletion.

Comprehensive Event Log System

The logs of connections to the NAS via samba, FTP, AFP, HTTP, HTTPS, Telnet, iSCSI, and SSH, and networking services accessed by online users are all recorded.

Detailed System Information

You can view the system status, e.g., CPU usage, total memory, free memory, packets received, packets sent, error packets, system up time, CPU temperature, system temperature, HDD temperature, and system fan speed.

Surveillance Station

The Surveillance Station enables users to configure and connect 4 IP cameras simultaneously and remotely manage the functions, including real time monitoring, recording, and playback by IE browser over the Internet. Users can flexibly define the recording settings: continuous recording, motion-detection recording, and schedule recording according to their security plan. All the files are stored in AVI format with time stamp, users can easily search and play the files by Windows Media Player.

The most comprehensive support for numerous brands of IP cameras

The Surveillance Station of QNAP NAS supports the leading network camera brands such as AXIS, D-Link, IPUX, LevelOne, Linksys, Panasonic and Vivotek etc. By using particular models, users can use two-way video and audio monitoring and recording, and smart PTZ control to control the monitoring direction via the web interface.

Software Expansion and Website Management

Web Server with Built-in phpMyAdmin

With the built-in phpMyAdmin, Joomla!, editable php.ini, MySQL and SQLite, you can easily set up your web server and other online applications such as online shops and forums.

MySQL Server

The NAS is the most affordable choice as a standalone database server for system integrators. It can be flexibly applied in various deployments such as a database server of another web server in remote site or as an additional backup database server.

Built-in DDNS support

The NAS supports dynamic DNS (DDNS). You can register a unique domain name from a DDNS service provider and assign it to your NAS. There is no more need to remember a lengthy IP address!

Software expansion via QPKG Center

The QPKG software package platform enables you to maximize the usage of the NAS by installing additional software packages developed by the users and community worldwide. This can be done by simple "download & install" clicking without going through any complicated process.