Specifications 250 GB
Model Number ST3250310AS
Interface SATA 3.0Gb/s
Cache 8 MBytes
Capacity 250 GB
Areal density (avg) 164 Gbits/inch2
Guaranteed Sectors 488,397,168
PHYSICAL  
Height (max) 19.99 mm  (0.787 inches)
Width (max) 101.6 mm  (4.000 inches)
Length (max) 146.99 mm  (5.787 inches)
Weight (typical) 382 grams  (0.842 pounds)
PERFORMANCE  
Spindle Speed 7,200 rpm
Average latency 4.16 msec
Random read seek time <8.5 msec
Random write seek time <10.0 msec
RELIABILITY  
MTBF 700,000 hours
Annual Failure Rate 0.34% 
POWER  
Maximum start current, DC 2.80 amps