Seagate IronWolf Pro 16 TB Recertified NAS Internal Hard Drive
Toshiba 16TB N300 Internal Hard Drive – NAS 3.5 Inch SATA HDD Supports Up to 8 Drive Bays Designed for 24/7 NAS Systems, New Generation (HDWG31GUZSVA) : Amazon.co.uk: Computers & Accessories
Seagate IronWolf, Pro 16 TB, Enterprise Internal NAS HDD – CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID NAS, Rescue Services - Frustration Free Packaging (ST16000NTZ01) : Amazon.co.uk: Computers & Accessories
WD 16TB Red Pro 7200rpm HDD 512MB Cache Internal NAS Hard Drive (WD161KFGX) | OcUK