Hitachi HDS721010KLA330 1TB 7200rpm Internal 3.5-Inch Hard Drive Storage capacities up to 1TB, perpendicular magnetic recording technology SATA 3.0Gb/s interface, ramp load design increases, shock protection and power savings,thermal monitoring and y height control enhance reliability Three low-power idle modes boost power ef ciency, silent seek acoustics achieve ultra-quiet operation Host/drive authentication for hardware security Internal and external storage for consumer computers, netwek storage servers, extreme gaming machines, video editing array