Toshiba P300 SATA, 7200rpm 64 MB Buffer 3.5 inch Form Factor Laptop PC Internal Hard Drive 1TBPERFORMANCE ALONGSIDE RELIABILITY Improves positional accuracy, negating the effects on head track alignment that vibrations can cause ENHANCED ACCESS PERFORMANCE The data read write access sequence performance is further enhanced through innovative techniques to minimize head movement and disk revolutions KEEP DATA SECURE The P300s ramp loading technology and design includes an internal shock sensor, ensuring no data is lost