Home / Computers / How can I expand the storage on the DS220+?Computers Technology ramseeker nasHow can I expand the storage on the DS220+?The DS220+ expands via eSATA to 5 more bays using a DX517 expansion unit, and it also has two USB 3.0 ports for external drives or peripherals. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious How do the Eufy C28 and Mova P10 perform on different floor types?Next HEPA filter vs no HEPA filter: Worth it for pet dander allergies, but check your vacuum's specs first