Product Detail Toshiba MK1252GSX Hard Drive General Features: 120 GB storage capacity Serial ATA/300 interface (ATA-8) 8 MB buffer 5400 RPM rotational speed 801 Mb/s media transfer rate 300 Mb/s maximum external data transfer rate 100 Mb/s maximum internal data transfer rate 12 ms average seek time 22 ms maximum seek time 2 ms track-to-track seek time . The "Toshiba MK1252GSX - Hard drive - 120 GB - internal - 2.5 - SATA-300 - 5400 rpm - buffer: 8 MB" is best product for you. We recommended Toshiba MK1252GSX - Hard drive - 120 GB - internal - 2.5 - SATA-300 - 5400 rpm - buffer: 8 MB