Seagate Surveillance ST4000VX000 4TB 5900 RPM 64MB SATA 6.0Gb/s 3.5" Hard Drive
Model ST4000VX000 (Surveillance HDD). Spindle Speed 5900 RPM (Cooler & quieter operation). Low Heat & Power: The 5900 RPM speed reduces power consumption and heat generation, extending the life of the drive and surrounding components.