Synology Disk Station DS109j is designed to provide users with a cost-effective solution for easy file storage and backup. Packed with the Synology Disk Station Manager 2.1, 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 a 2.5" hard drive on the DS109j, bringing the library quietness, power saving, and higher reliability for the DS109j.