Amazon.com: Synology 2 Bay NAS DiskStation DS220j (Diskless), 2-Bay; 512MB DDR4 & Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB
How do I migrate data between Synology NAS via HDD migration (DSM 6.0 and later)? - Synology Knowledge Center
NAS server Refurbished (very good) 8 TB Synology DiskStation DS420+ 8 TB DS420+-8TB-FR built-in 4x 2TB HDD (recertified) | Conrad.com
Synology DiskStation DS220j NAS server 6 TB 2 Bay built-in 2x 3TB HDD (recertified) DS220J-6TB-FR | Conrad.com
HDD Health Management With Synology DiskStation NAS Feat DS1815+ : 5 Steps (with Pictures) - Instructables