
Populated Or Diskless: While some drives used by NASA have preconfigured disks out of the box, others don’t come with any disk, depending on their respective vendors.However, you should consider buying NAS with one bay if only you intend to use it as a backup for data that will also be stored on the PCs on your network. NAS with a single or double bay is ideal for home networks while those having three or four bays are mostly suitable for office networking. The more the bays the larger the capacity.

One, Two, Or Four Bays?: The number of bays that network storage has determined its storage capacity.
