Seagate 4.0TB Internal SATA Hard Drive For Desktops/DVRs

OptiCache technology exploits big 64MB cache sizes and improved microprocessor capabilities Seagate OptiCache technology improves performance by up to 45% over the previous generation SATA 6Gb/s technology maximises performance Seagate AcuTrac technology enables reliable read/write performance even in high-touch operating environments 4TB Capacity,SATA 6 Gb/s Interface