This 2-Bay NAS device, much like it’s predecessor (the DS216J) is this 2-Bay device is aimed at those who want a NAS to perform basic/standard level network storage and sharing applications, but don’t have lots to spend. 7.2 Related Another New Synology Diskstation, the Cost effective DS218j 2-Bay NASĪlready lightly covered at the Synology 2018 London event back in late september, the budget friendly Synology DS218j NAS.