Compared to Linux-based devices, NAS boxes using Windows OS are pretty thin on the ground. One company that has kept the Windows flag flying with a range of devices is Thecus. The Thecus Windows Storage Server range is split into two camps, Large Business and SMB/Home, and it's from the latter one that the 5-bay W5810 is the current flagship model.
A quick patch update to Windows can extend the useful life of a PC. To take the fear out of Upgrading Windows 98 to Windows XP, rely on this guide. - PCSTATS Tips