HARD DRIVE Form Factor 2.5" Spindle Speed 5400 rpm Features 24x7 availability, ERP Control, SMART Command Transport (SCT), Smooth Stream, Thermal Flyheight Control (TFC), advanced format 512e Hard Drive Type internal hard drive Form Factor (Short) 2.5" Form Factor (metric) 6.4 cm Form Factor (Short) (metric) 6.4 cm Storage Interface Serial ATA-600 Interface Serial ATA-600 Average Seek Time 15 ms Average Latency 5.5 ms Data Transfer Rate 600 MBps Buffer Size 32 MB Bytes per Sector 4096 Hz Load / Unload Cycles 600,000