Synology Expansion Unit RX1217sas

Synology Expansion Unit RX1217sas 12-bay 3.5″/ 2.5″ SAS HDD, 2.5″ SAS SSD, 3.5″ SATA HDD, 2.5″ SATA SSD expansion, Expansion unit for FS2017, FS3017, FS6400, FS3400, SA3400 and RS18017xs+