"It's rare for a NAS device to ace all three categories (performance, features and price), but QNAP's TS-251 NAS comes closer than just about any two-bay SOHO NAS I've tested" - Samara Lynn, Editor of PCMag


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TS-x51 Series

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TS-x69L Series

CPU
Dual-core Intel® Celeron® 2.41GHz (Up to 2.58GHz)   
Dual-Core Intel® Atom™ 2.13 GHz
Memory
1GB / 4GB DDR3L   
1GB DDR3
Expandable RAM
(Maximum: 8GB)   
(Maximum: 3GB)
Available Models
2, 4, 6 and 8 bay
2, 4, 5, 6 and 8 bay
Hardware Transcoding
Offline & real-time hardware acceleration
Performance*

Without encryption: 216MB/s (Read), 224MB/s (Write)

With encryption: 68MB/s(Read), 68MB/s(Write)   

Without encryption:208MB/s (Read), 224MB/s (Write)

With encryption: 26.7MB/s(Read), 29MB/s(Write)

Virtualization Station
QvPC Technology
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*Performance results without encryption is based on link aggregation


  • Run mulitple OS on the NAS, use the NAS as a PC
  • Run virtual machines with the Virtualization Station
  • Transcode Full HD videos on-the-fly or offline
  • Play 1080p videos with 7.1 channel surround sound pass-through via HDMI
  • Stream via DLNA, AirPlay, built-in XBMC and Plex

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