QNAP (Quality Network Appliance Provider) produces high-quality NAS (Network Attached Storage) devices, among other things. This doesn't only refer to the build quality of a QNAP NAS (the casing of most of their products is made from metal), it also refers to the software. QNAP's operating system is very extensive. The app center lets you install all kind of apps, ranging from video streaming apps to business apps. What's more, the software is very user friendly. This means you can quickly set up your NAS according to your own wishes.