Amazon.com: Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack,Mechanical Hard Disk : Electronics
693720-001, Hewlett Packard Enterprise 4TB hot-plug SATA hard disk drive - 7,200 RPM, 6Gb per second transfer rate, 3.5-inch large form factor (LFF), midline (MDL), SmartDrive carrier (SC) | EET