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
Synology HAT5300 - hard drive - 12 TB - SATA 6Gb/s - HAT5300-12T - Internal Hard Drives - CDW.com