The network-attached storage (NAS) space is dominated by a handful of brands, including Synology and QNAP. The two companies have countless NAS models available, everything from one-bay consumer NAS to enterprise towers with numerous bays and advanced features. In this guide, we're going to run you through some of the similarities and differences between Synology and QNAP NAS, as well as a few pointers to help you pick the right NAS for you. To start your NAS journey, we suggest getting either the Synology DiskStation DS220+ or the QNAP TS-251D.