Seagate 4TB 3.5” SATA3 HDD-T4000-ST4000NM0085 Internal Enterprise Hard Drive
Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics
Seagate ST4000DM000 4-TB 5.9K 3.5 6G SATA Hard Drive - TechnoDeals USA
Seagate 3.5inch Hdd 4tb Desktop, Household Mechanical Hard Disk, Special Monitoring Hard Disk, Desktop Monitoring Universal Hdd - Hard Disk Drive - AliExpress
Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com