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The QNAP TS-128 is a single-bay NAS unit that's aimed at domestic use. It has great value for its price.
SpecsUpdate
Pros
Pro Intuitive, easy set-up process
This unit doesn't come with hard disks preinstalled. To get it set up, you just have to insert the hard disks, plug in the unit, connect it to your router and switch it on. After that, just log on to myQNAPcloud and you’ll have full access to the NAS through the web interface. The interface is extremely intuitive and user friendly. Even a beginner will enjoy it.
Pro Performance is enough for casual home use
This unit comes with a 1.1GHz dual core ARM processor and 1GB of DDR3 RAM. Its specs are enough for casual home use, like web browsing or movie watching. On the other hand, more demanding tasks, like media transcoding, would require something beefier in terms of performance.
Cons
Con Lost data can’t be recovered
When buying a single bay NAS unit, keep in mind that a drive failure will result in total and permanent data loss. To avoid this, consider investing in a DAS (direct-attached storage) as well. The DAS can be attached to the QNAP TS-128 via USB. It has built-in software to allow you to actually set up automatic NAS backups to DAS (such as once a week). This ensures your data remains safe, though it also entails extra costs.