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QNAP TS-509 Pro Turbo NAS Review

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The QNAP TS-509 is a full-featured and powerful NAS server designed to provide centralized data storage for businesses and enterprise workgroups. The unit offers support for a full range of storage volumes including RAID 0/1/5/6/5 + hot spare as well as single drive and JBOD configurations. In addition to these features, the TS-509 offers RAID level migration and volume expansion that not only allow you to add additional drives but to replace existing drives with ones of higher capacity. These features ensure the unit can grow along with your storage needs. Additional features such as dual LAN connections with failover and load balancing only add to enhance its attraction as a solid business-oriented storage server. The unit also has several features for sharing multimedia files and other functions such as a Web server and automatically downloading files. These features may be more of a nod to the serious non-business user, although that is not the primary target market.

The TS-509 simply means business and would make an excellent choice for those looking to have a solid, reliable repository for their data, especially for businesses that don't possess a dedicated IT staff. Even experienced IT shops will find a lot to like in the TS-509 and QNAP has made sure that the TS-509 has all the features needed. I found the Web UI to be well-organized and laid out, although a bit frumpy looking when compared to the polished look and feel of the Synology DS408's AJAX-based interface. Performance wise the TS-509 turned in some very impressive numbers, especially in the Office Productivity tests that simply slaughtered the competition. I only wished I could have seen better power consumption numbers and that the drive hibernation feature had worked. At a suggested price of $899 the TS-509 is priced beyond what all but the most serious home user would consider and may give pause to some smaller businesses as well. However, the TS-509 is serious about provided a safe and secure place to store data and that is a small price to pay for one of the most precious assets a business has.



  • Impressive feature set
  • RAID 0/1/5/6/5 +hot spare capability
  • RAID level expansion and migration capabilities
  • Impressive overall performance
  • Drive hot swapping using easy-removable drive trays
  • Good documentation
  • S.M.A.R.T. reporting



  • Price
  • No jumbo frames support
  • Issues with hard drive hibernation
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