QNAP TS-509 Pro Turbo NAS

Posted on October 9, 2008
Author: Sean Potter
Pages: 1 2 3 4 5 6


ProcessorIntel Celeron Processor 1.6GHz
Memory 1GB DDRII RAM, 128MB flash (DOM)
HDD Capacity5 x 3.5" SATA I/II HDD, up to 5TB (the standard system is shipped without HDD)
HDD Tray5 x hot-swappable and lockable tray
LAN Port 2 x Gigabit RJ-45 Ethernet port
LED IndicatorsStatus, HDD 1, HDD 2, HDD 3, HDD 4, HDD 5, LAN, USB
USB 5 x USB 2.0 (Front: 1; Back: 4)
Support USB printer, disk, pen drive, USB hub, and USB UPS etc.
eSATA 1 x eSATA port (Back)
Buttons System: Power button, USB one-touch backup button, reset button
LCD PanelMono-LCD display with backlight Enter button, Select button for configuration
Alarm Buzzer System warning
Form FactorTower
Dimensions 261.1(D) x 188.5(W) x 261.1(H) mm 10.28(D) x 7.42(W) x 10.28(H) inch
Weight Net weight: 6.4Kg (w/o power adaptor)
14.11lb (w/o power adaptor)
Gross weight: 7Kg (full package), 15.43lb (full package)
Operation Environment Temperature 0~40°C
Humidity 0~95% R.H.
Power Supply ATX 250W, Input: 100-264 Vac~, 46-63Hz, 5A
Power Consumption Sleep mode 47.3W In operation 84.7W
Secure DesignK-Lock security slot for theft prevention
VGA Reserved VGA interface for maintenance
RS-232 RS-232 x1
Fan12cm quiet cooling fan (12V DC)
Sound Level: Standby: 34.2 dB
In operation: 41.2dB


  • Advanced RAID redundancy with expandability and upgradeability (RAID 0/1/5/6/JBOD)
  • Easy setup, low-cost maintenance
  • Superior Performance
  • DOM Architecture with Embedded Fail-safe Dual OS
  • Hot-swap Design
  • Online RAID Level Migration
  • Touch-N-Go PC-less Installation (through LCD on front)
  • Schedule Power on/ off
  • Wake on LAN
  • Dual Gigabit LAN Ports for More Deployment Options
  • Network Failover
  • Load-Balancing
  • Multi-IP Setting
  • Complete Backup Solutions
  • QNAP Backup Software - NetBak Replicator
  • 3rd Party Backup Software Ready
  • Encrypted Remote Replication by Rsync
  • One Touch USB Auto Copy
  • S.M.A.R.T. & Advanced HDD Health Scanning (HHS)
  • Comprehensive Event Logs
  • Sharing files across Windows, Mac, Linux, and UNIX
  • Support Windows AD
  • Secure Data Storage, Access, and Sharing
    • IP filter control: Users 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 your The NAS by SSH (secure shell) or Telnet connection.
    • Secure FTP: Share and transmit your data over SSL/TLS (Explicit) encryption. Passive FTP port range setup is also supported.
    • Smart FTP policy control: The maximum number of all FTP connections and a single account can be configured.
    • Encrypted remote replication: Data on the NAS can be backed up to another QNAP NAS product over the Internet securely.
  • Ease of User and Share Folder Management
    • File Server
    • FTP Server
    • Encrypted Remote Replication
    • Web Server with Built-in phpMyAdmin
    • MySQL Server
    • Printer Server
      The NAS supports network printer sharing function (max 3 sets).
  • UPS Support
  • Network Recycle Bin

Many of these features could also be found in the TS-409U, but one of the new features that excites me the most is the "DOM Architecture with Embedded Fail-safe Dual OS". From QNAP's website, the description of this is, " All the OS and applications are embedded on the DOM. The TS-509 Pro allows system booting without accessing the physical disk sectors and that prevents 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.

These relieves the issue of HAVING to use QNAP's software to load firmware on to the unit after the RAID array has been creating, which was the case with the TS-409U. It's this feature that allows for the PC-less installation. Very nice touch, QNAP.

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