Synology 5bay Expansion Unit DX513 (Diskless),Black

Western Digital Bare Drives WD Red 8TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 GB/S 256 MB Cache 3.5" (WD80EFAX)

WD Red 8TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch - WD80EFZX

Seagate IronWolf NAS 7200RPM Internal SATA Hard Drive 10TB 6Gb/s 3.5-Inch (ST10000VN0004)

Seagate IronWolf NAS 7200RPM Internal SATA Hard Drive 12TB 6Gb/s 3.5-Inch (ST12000VN0007)

Seagate IronWolf NAS 7200RPM Internal SATA Hard Drive 8TB 6Gb/s 3.5-Inch (ST8000VN0022)

WD Red 10TB NAS Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD100EFAX

HGST Ultrastar He10 | HUH721010ALE600| 0F27452 | 512e | 10TB SATA 6.0Gb/s 7200 RPM 256MB Cache 3.5" | Enterprise Hard Drive HDD (Certified Refurbished) , 2 Year Warranty

Seagate IronWolf NAS 5900RPM Internal SATA Hard Drive 4TB 6Gb/s 3.5-Inch (ST4000VN008)

Seagate IronWolf NAS 7200RPM Internal SATA Hard Drive 6TB 6Gb/s 3.5-Inch (ST6000VN0033)