Formatted capacity (512 bytes/sector) 2000GB (2TB) Guaranteed sectors 3, 907, 029, 168 Bytes per sector (emulated at 512-byte sectors) 4096 (physical) Default sectors per track 63 Default read/write heads 16 Default cylinders 16, 383 SATA interface transfer rate 600 MB/s Maximum data transfer rate 190 MB/s Cache buffer 256MB Height (max) 0.795 ( 20.20 mm) Inche Width 4.0 (± 0.010 ) Inches ( 101.6 (± 0.25 ) mm) Length 5.787 Inches ( 146.99 mm) Weight 0.915 Pound (415 g) Average latency 6.0 ms Operating temperature (drive case max temp) 158 ° F (70 ° C) Relative humidity 5% to 90% (operating) 5% to 95% (non-operating) Operational shock (max) 80 Gs (read) / 70 Gs (write) at 2ms Non-operational shock (max) 300 Gs at 2ms 350 Gs at 2ms