Table of Contents
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Table 1:
Specifications
Drive specification
Average seek, write (msec typical)
Full-stroke seek (msec)
Seek power (typical)
Read/write power (typical)
Idle mode (typical, low power)
Standby mode
Sleep mode
Voltage tolerance (including noise)
Ambient temperature
Temperature gradient
(°C per hour max, noncondensing)
Relative humidity
(noncondensing)
Relative humidity gradient
Wet bulb temperature (°C max)
Altitude, operating
Altitude, nonoperating
(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
(max displacement may
apply below 10 hz)
Vibration, nonoperating
(max displacement may apply
below 22 hz)
Drive acoustics, sound power (bels), 2
disc
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
6
ST9120826A
ST9100826A
14.5
22 (typical); 24 (max)
2.0 watts
Read: 2.50 watts; Write: 2.50 watts
1.40 watts
0.96 watts (typical)***
0.96 watts (typical)***
5V ± 5%
5° to 55°C (operating), –40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30% per hour max
30°C (operating)
40°C (nonoperating)
–304.8 m to 3,048 m (–1000 ft to 10,000 ft)
–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
250
800
900
400
1.0 Gs (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 10–500 Hz)
2.4 (typical)
2.6 (max)
2.9 (typical)
3.1 (max)
14
1 per 10
bits read
0.73%
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
ST980821A
ST960814A
Momentus 5400 FDE Product Manual, Rev. C
ST940811A
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