Seagate ST9160821AS Computer Drive User Manual


 
4
Momentus 5400.3 SATA Product Manual, Rev. C
Average seek, read (msec typical) 11.0
Average seek, write (msec typical) 13.0
Full-stroke seek (msec) 22 (typical); 24 (max)
Startup current, +5V (typical) 1.0 amps
Seek power (typical) 2.0 watts
Read/write power (typical) Read: 1.9 watts; Write: 1.8 watts
Idle mode, low power (typical) 0.6 watts
Standby mode 0.2 watts (typical)***
Sleep mode 0.2 watts (typical)***
Voltage tolerance (including noise) +5V ± 5%
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)
30 (operating)
40 (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000+ ft)
Altitude, nonoperating
(meters below mean sea level,
max)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Shock, operating
(Gs max at 2 msec)
350
Shock, nonoperating
(Gs max at 2 msec)
800
Shock, nonoperating
(Gs max at 1 msec)
900
Shock, nonoperating
(Gs max at 0.5 msec)
400
Vibration, operating 1.0 G (0 to peak, 5–500 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 5–500 Hz)
Drive acoustics, sound power
(bels)
Idle** 2.4 (typical)
2.6 (max)
Performance seek 3.0 (typical)
3.2 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Annualized Failure Rate (AFR) <0.60%
Load/Unload (U/UL) cycles
25°C, 50% relative humidity
32°C, 80% relative humidity
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Table 1: Drive specifications
Drive specification ST9160821AS ST9120822AS ST9100828AS ST980811AS ST960813AS ST940814AS