Seagate U Series 9 CE - Manual (Page 14)

4 U Series 9 ce Product Manual, Rev. F
*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.
Read/write power (typical) 9.8 watts
Idle mode (typical) 6.7 watts
Standby mode (typical) 0.9 watts
Sleep mode (typical) 0.9 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)
30°C (nonoperating)
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 (below mean sea level, max) –60.96 m to 12,192 m
(–200 ft to 40,000+ ft)
Shock, operating (Gs max at 2 msec) 63
Shock, nonoperating (Gs max at 2 msec) 350 Gs
Vibration, operating 1.0 G (0 to peak, 5–350 Hz)
Vibration, nonoperating 5.0 Gs (0 to peak, 22–350 Hz)
Drive acoustics Sound power (bels)
Idle* <2.5 (typical)
2.7 (max)
Quiet seek 2.8 (typical)
3.0 (max)
Nonrecoverable read errors 1 per 10 14 bits read
Mean time between failures (power-on hours) 600,000
Service life 5 Years
Contact start-stop cycles (25°C, 40% rel. humidity) 50,000
Drive specification ST3160022ACE ST3120025ACE ST380012ACE