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Drive Specification ST9816AG
Average latency (msec) 6.67
Power-on to ready (seconds, typical) 7
Standby to ready (seconds, typical) 3
Spinup power and current (typical) 3.50 watts, 0.700 amps
Seek power and current (typical) 2.10 watts, 0.420 amps
Read/Write power and current (typical) 2.10 watts, 0.420 amps
Idle mode power and current (typical) 1.30 watts, 0.260 amps
Standby mode power and current (typical) 0.40 watts, 0.080 amps
Sleep mode power and current (typical) 0.30 watts, 0.060 amps
Voltage tolerance (including noise) +5 volts +5% –10%
Ambient temperature (°C) 5 to 55 (op.), –40 to 70 (nonop.)
Temperature gradient (°C per hour, max) 30
Relative humidity 8%–80% (10%/hr max grad.)
Wet bulb temperature (°C, max) 29 (op.), 40 (nonop.)
Altitude (meters above mean sea level, max) –300 to 3,040 (op.),
–300 to 12,190 (nonop.)
Shock, operating (Gs, max at 2 or 11 msec) 100
Shock, nonoperating (Gs, max) 250 (2 msec), 150 (11 msec)
Vibration (Gs max at 22–450 Hz) 0.50 (op.) 4.0 (nonop.)
Drive Acoustics, Idle mode (dBA) 26 (typical), 30 (max)
Drive Acoustics, seeking (dBA) 29 (typical), 33 (max)
Nonrecoverable read errors 1 per 10
13
bits read
Mean time between failures (power-on hours) 300,000
Contact start-stop cycles 50,000
Service life (years) 5
Marathon 810 (ST9816AG) Product Manual, August 1995 3