Keep compatible computers running smoothly using this Toshiba 3.5-inch 1TB hard drive. The SATA interface and 7200 rpm platter speed ensure that data is transferred quickly, while the 64MB cache acts as a buffer for reading and writing files to promote smoother retrieval. An internal shock sensor helps reduce data loss, and ramp loading technology prevents contact with the drive slider to avoid wear and tear. This Toshiba 3.5-inch 1TB hard drive uses Perpendicular Magnetic Recording technology to increase the storage density of the disc for lightweight performance.