Seagate ST340015ACE manual 50,000 Humidity SeaShield

Barracuda 5400.1 Product Manual, Rev. G		5
Drive specification	ST340015ACE
Idle mode (typical)	5.0 watts
Standby mode (typical)	1.4 watts
Sleep mode (typical)	1.0 watts
Voltage tolerance (including noise)	5V +/- 5%; 12V +/- 10%
Ambient temperature	0° to 60°C (operating)
	–40° to 70°C (nonoperating)
Temperature gradient (°C per hour max)	20°C (operating)
Relative humidity	5% to 90% (operating)
	5% to 95% (nonoperating)
Relative humidity gradient	30% per hour max
Wet bulb temperature (°C max)	33 (operating)
	40 (nonoperating)
Altitude, operating	–60.96 m to 3,048 m
	(–200 ft to 10,000+ ft)
Altitude, nonoperating	–60.96 m to 12,192 m
(below mean sea level, max)	(–200 ft to 40,000+ ft)
Shock, operating (Gs max at 2 msec)	63
Shock, nonoperating (Gs max at 1 and 2	350
msec)
Vibration, operating	0.5 Gs (0 to peak, 22–350 Hz)
Vibration, nonoperating	5 Gs (0 to peak, 22–350 Hz)
Drive acoustics
Sound power (bels)
Idle*	2.6 (typical), 2.8 (max)
Quiet Seek	2.7 (typical), 2.9 (max)
Performance Seek	2.8 (typical), 3.0 (max)
Nonrecoverable read errors	1 per 1014 bits read
Mean time between failures (power-on	600,000
hours)
Service life	5 years
Contact start-stop cycles (25°C, 40% relative	50,000
humidity)
SeaShield	No

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.