This hard drive from Seagate has room for 4 TB of data. This model's rotation speed is 5900 rpm.
From ServersPlus
SEAGATE Seagate BarraCuda ST4000DM004 4TB 3.5" 5400RPM 256MB Cache SATA III Internal Hard Drive
AA2Z Supply
SEAGATE ST4000DM004 BARRACUDA 4TB 5900RPM SATA-6GBPS 256MB BUFFER 3.5INCH INTERNAL HARD DISK DRIVE. BULK. .