Seagate One Touch 4 TB External Hard Drive (STLC4000400) - PCPartPicker
ST4000NM0025-DELL - New Other - DELL / SEAGATE 4TB 7.2K RPM SAS III 3.5 INCH LARGE FORM FACTOR LFF ENTERPRISE CLASS ENT CAPACITY HDD V5 12GB/S SAS3 HARD DRIVE ( 4000GB )
Amazon.com: Seagate ST4000DM000 Desktop Hdd 4TB Sata 6GB/s Ncq 64MB Cache 3.5in Internal Bare Drive (Renewed) : Electronics