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4 Momentus 7200.3 SATA Product Manual, Rev. C
Standby to ready
(sec typical)
3.0
Track-to-track seek time,
read (msec typical)
1.0
Average seek, read
(msec typical)
11.0
Average seek, write
(msec typical)
13.0
Startup current, +5V (max) 1.0 amps
Seek power (typical) 2.3 watts
Read power (typical) 2.1 watts
Write power (typical) 2.3 watts
Idle mode, low power
(typical)
0.75 watts
Standby mode 0.21 watts (typical)***
Sleep mode 0.21 watts (typical)***
Voltage tolerance
(including noise)
+5V ± 5%
Ambient temperature 0°C to 60°C (operating), –40°C to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
35°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 (–1,000 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)
1,000
Shock, nonoperating
(Gs max at 0.5 msec)
600
Vibration, operating 1.0 G (0 to peak, 5–500 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 10–500 Hz)
Drive acoustics, sound
power (bels)
Idle** 2.3 (typical)
2.5 (max)
Performance seek 2.6 (typical)
2.7 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Annualized Failure Rate
(AFR)
0.48%
Table 1: Drive specifications
Drive specification
ST9320421AS
ST9320421ASG
ST9250421AS
ST9250421ASG
ST9200421AS
ST9200423ASG
ST9160411AS
ST9160411ASG
ST9120411AS
ST9120411ASG
ST980411AS
ST980411ASG