Calling the Thecus N5550 a NAS is almost selling it short, because it's much more than that. It's a network server for at home or in the office, and you can use it to download files, as a digital photo album, and for connecting IP cameras. You can connect it to a computer obviously, but also tablets and smartphones let you access it via apps.
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips