This document discusses network attached storage (NAS) devices from QNAP. It begins by introducing QNAP as the number one supplier of standalone NAS devices. It then defines a NAS as a storage system that is network accessible. The document discusses when and where NAS devices can be used, and why they are beneficial over local storage on PCs. It outlines how NAS devices can be used for multimedia storage and streaming to devices on the network. Real-world examples are provided of NAS usage in retail, business, and medical settings.