Toshiba p300 500gb 35 64mb 7200rpm sata internal hard drive high performance for generic users optimal choice for desktop primary drives high performance 7 200 rpm drives with 64 mb data buffer and sata 6 gbits ncq native command queuing compatible performance is elevated on the power of internal command triggered reading and the optimized writing reception sequence to elevate access speed the data access sequence is optimized to minimize head movement and disk revolutions data prote