Qnap TS-251 Nas Review – It’s a NAS sir but not as we know it!

Most people know what a NAS is (or they heard of it from a friend's 10-year-old child), but the TS-251 NAS is a far cry from what you think a NAS would be! From the outside, you would think that the TS-251 is just like your normal everyday NAS devices, but you would…

The Crit:

Value for Money - 95%
Quality - 85%
Look/Feel - 85%
Extra's/Features - 95%



A worthwhile buy!

User Rating: 3.65 ( 1 votes)

Most people know what a NAS is (or they heard of it from a friend’s 10-year-old child), but the TS-251 NAS is a far cry from what you think a NAS would be! From the outside, you would think that the TS-251 is just like your normal everyday NAS devices, but you would surely be mistaken. This puppy runs on an Intel dual-core CPU, can go up to 8GB’s of RAM and if you have the bucks then you can even run two 10TB hard disc’s in it(we installed a WD 4TB Red Drive, best HDD’s for NAS)!

Now, you would say to me that this is basically a small PC right? Well, you would be right. The TS-251 comes with their own embedded system called QTS (based on a Linux distro), this allows you to run a small boatload of software that comes built in (or downloaded from their site). There are apps that you can use to make virtual machines, there are even apps that you can use the NAS to download your BitTorrent files without even switching on your PC! The best feature I personally loved about the unit is that it has an HDMI port, all you need then is a keyboard and mouse and your TV becomes your PC!! Even better than using it as a PC is using a program called KODI (was originally called XBMC), what this does is let you use the NAS as a Media Centre. You would need to order the IR remote separately online or you can use the mobile remote app to control KODI. The installation of the drives in the unit is fast and I had no pains doing it (even a baby can do it). Getting it up on your network is painless. The web interface for the unit is also based on the QTS system and the GUI for it looks great. From here you can control and monitor the NAS to make sure that the drives are functioning right etc.

Another cool feature is that you do also get Mobile apps, from remote controls to video browsers. If you find that 2 HDD bays is too little for you then you can also get expansion boxes (5bay and 8 bay units). The only thing that I can think that would be a problem is the price…which is equal to the same amount as an entry level laptop (and that excludes the HDD’s you would need). Yes sure it is expensive, but if you look at all the benefits you get out of the NAS then it would be worthwhile to get it.

Personally, I would recommend the TS-251 to everybody that loves their media and has a connected home (this would be almost everybody). The price might put some people off but it is a worthwhile buy, as you can expand the unit with more drives. This is your local mad scientist signing out…..where is that balaclava when I need it most?

Additional Information

Estimated RRP: +-R5500

Tech Specs

CPUIntel® Celeron® 2.41GHz dual-core processor (burst up to 2.58GHz)
TS-251-4G: 4GB DDR3L RAM (2GB x 2)
Total memory slots: 2 (expandable up to 8GB)
Flash Memory512MB DOM
Hard Disk Drive2 x 3.5” or 2.5” SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
Hard Disk Tray2 x Hot-swappable tray
LAN Port2 x Gigabit RJ-45 Ethernet port
LED IndicatorsStatus, LAN, USB, HDD 1, HDD 2
USB2 x USB 3.0 port (Front: 1, Rear: 1)
2 x USB 2.0 port (Rear: 2)
Support USB printer, pen drive, and USB UPS etc.
ButtonsPower/Status, USB One-Touch-Backup, reset
Alarm BuzzerSystem warning
IR ReceiverMCE-compatible
Form FactorTower
Dimensions168.5(H) x 102(W) x 225(D) mm
6.63(H) x 4.02(W) x 8.86(D) inch
WeightNet: 1.28 kg (2.82 lbs) / Gross: 2.32 kg (5.11 lbs)
Power Consumption (W)HDD standby: 10.28W
S3 sleep: 0.47W
In operation: 19.22W
(with 2 x 1TB HDD installed)
Sound Level*Sound pressure (LpAm): 15.4 dB(A)
Humidity5~95% RH non-condensing, wet bulb: 27˚C
Power SupplyExternal Power Adapter, 60W, 100-240V
Secure DesignKensington security slot for theft prevention
Fan1 x quiet cooling fan (7 cm, 12V DC)


  • That it is so much more than just a Networked attached Storage Device.
  • It runs KODI!


  • The price might be a bit high for some people

About Gert Rautenbach

Gert Rautenbach
Mad Scientist by day, Reviewer by night, These are the strange tales of the man known to most as LukeRaNcOr! I am an avid collector of Comics and Games(starting from the very old ZX Spectrum) and a intermediate(hoping for advanced) scale model builder. I also like Anime especially mecha based anime and build electronic circuits for my quest in World Domination! If I'm not doing any of the above I relax with a good book and the company of my awesome wife that supports my endeavors of being the best Mad Scientist there can be!

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