Home / Computers / What expansion and upgrade options does the DS1522+ support?Computers Technology ramseeker nasWhat expansion and upgrade options does the DS1522+ support?The DS1522+ supports up to 10 extra bays via two DX517 expansion units over eSATA, and its PCIe Gen 3 x4 slot can take a 10GbE NIC or M.2 SSD cache adapter. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious What floors can't a 62dB vacuum handle?Next What does the QNAP TS-464 offer for NVMe storage in its four-bay NAS lineup?