Seagate ST3250823SCE, ST3300831SCE, ST3400832SCE, ST3200826SCE manual 30% per hour max

Table 1:	Drive specifications
Drive specification		ST3400832SCE	ST3300831SCE	ST3250823SCE	ST3200826SCE
Power-on to ready (typical)		17.0 sec
Standby to ready (typical)		16.0 sec
Track-to-track seek time (msec typical)		0.8 (read), 1.0 (write)
Average seek (msec typical)		18 (read), 20 (write)
Startup current (typical) 12V (peak)		2.0 amps
Seek power (typical)		8.6 watts
Operating (Consumer Storage Profile)		7.2 watts
Idle mode (typical)		6.9 watts
Standby mode (typical)		0.80 watts
Sleep mode (typical)		0.80 watts
Voltage tolerance		5V ± 5%
(including noise)		12V ± 10%
Ambient temperature		0° to 60°C (operating)
		–40° to 70°C (nonoperating)
Temperature gradient		20°C (operating)
(°C per hour max)		30°C (nonoperating)
Relative humidity		5% to 90% (operating)
		5% to 95% (nonoperating)
Relative humidity gradient		30% per hour max
Wet bulb temperature		37.7 (operating)
(°C max)		40.0 (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
(meters below mean sea level, max)		(–200 ft to 40,000+ ft)
Shock, operating (max at 2 msec)		63 Gs
Shock, nonoperating (max at 2 msec)		300 Gs
Vibration, operating		0.25 G acceleration
Vibration, nonoperating		0.25 G (5–22 Hz)
		5.0 Gs (22–350 Hz)
Drive acoustics, sound power (bels)
Idle** (bels)		2.6 (typical)	2.4 (typical)
		2.8 (max)	2.7 (max)
Operational (bels)		2.8 (typical)	2.8 (typical)
		3.0 (max)	3.0 (max)
Nonrecoverable read errors		1 per 1014 bits read
Annualized Failure Rate (AFR)		0.34%
Service life		5 Years
Contact start-stop cycles		50,000
(25°C, 50% relative humidity)

4 DB35 Serial ATA Product Manual, Rev. E