Hitachi HUA723020ALA641-FR 3.5" (8.9 cm) internal HDD Refurbished (very good) 2 TB Ultrastar 7K3000 Bulk SATA III | Conrad.com
HGST/Hitachi (HUA723020ALA641) Ultrastar 7K3000 2TB 64MB 7200RPM 3.5" (Enterprise Grade) SATA III 6.0Gb/s Hard Drive from EOL - STRATEGIC at the 1st NAS