Economical 2-bay SATA NAS Server for Personal and Home Use Synology Disk Station DS209j is designed to provide users with a cost-effective solution to increase productivity. Packed with the Synology Disk Station Manager 2.2, it delivers ease of use and variety of features. Furthermore, the optional Synology 2.5" Disk Holder provides an easy way for users to deploy 2.5" hard drives on the DS209j, bringing the library quietness, power saving, and higher reliability for the DS209j.