Seagate ST9250317AS - Momentus 5400 FDE 250 GB Hard Drive Product Manual page 11

Table 2: Drive specifications
Drive specification
Track-to-track seek time, read
(msec typical)
Average seek, read (msec typi-
cal)
Full-stroke seek, read (msec
max)
Startup current, +5V (max)
Seek power (typical)
Read/write power (typical)
Idle mode, low power (typical)
Standby mode
Sleep mode
Voltage tolerance (including
noise)
Ambient temperature
Temperature gradient (°C per
hour max)
Relative humidity
Relative humidity gradient
Wet bulb temperature (max)
Altitude, operating
Altitude, nonoperating
(meters below mean sea level,
max)
Shock, operating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 1 msec)
Shock, nonoperating
(Gs max at 0.5 msec)
Vibration, operating
Vibration, nonoperating
Drive acoustics, sound power
(bels)
Idle**
Performance seek
Nonrecoverable read errors
Annualized Failure Rate (AFR)
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
Momentus 5400 FDE.4 SATA Product Manual, Rev. B
ST9500327AS ST9320327AS
1
14
30
1.0 amps
1.54 watts
Read: 1.40 watts; Write: 1.78 watts
0.67 watts
0.22 watts (typical)***
0.22 watts (typical)***
+5V ± 5%
0° to 60°C (operating), –40° to 70°C (nonoperating)
20°C (operating)
35°C (nonoperating)
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7°C (operating)
40°C (nonoperating)
–304.8 m to 3,048 m (–1,000 ft to 10,000
–304.8 m to 12,192 m (–1000 ft to 40,000
350
800
1,000
600
1.0 G (0 to peak, 5–500 Hz)
5 Gs (0 to peak, 10–500 Hz)
2.4 (typical)
2.6 (max)
2.6 (typical)
2.7 (max)
14
1 per 10 bits read
<0.48%
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
ST9250317AS ST9160317AS
+
ft)
+
ft)
ST9120317AS ST980314AS
5