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Momentus 5400.2 Blade Server Product Manual, Rev. B
*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.
**Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes
will not contribute to battery power consumption.
Read/write power (typical) 2.05/2.1 watts
Idle mode (typical) 0.99 watts
Standby mode 0.2 watts (typical)**
Sleep mode 0.2 watts (typical)**
Voltage tolerance (including noise) 5V ± 5%
Ambient temperature
5° to 55°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max, noncondensing)
20°C (operating)
30°C (nonoperating)
Relative humidity (noncondensing)
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature (°C max)
30°C (operating)
40°C (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000 ft)
Altitude, nonoperating
(below mean sea level, max)
–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
Shock, operating (Gs max at 2 msec) 250
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 (max displacement may
apply below 10 hz)
1.0 Gs (0 to peak, 5–500 Hz)
Vibration, nonoperating (max displacement
may apply below 22 hz)
5.0 Gs (0 to peak, 10–500 Hz)
Drive acoustics, sound power (bels)
Idle*
2.4 (typical)
2.6 (max)
Quiet seek
2.6 (typical)
2.8 (max)
Performance seek
2.9 (typical)
3.1 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Mean Time Before Failure (MTBF)
500,000 hours at 25°C ambient temperature
8,760 Power On Hours/year at nominal power.
Max case temperature: 40°C at the case measurement location shown in Figure 4.
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
Service life 5 Years
Warranty 5 Years
Table 1: Specifications
Drive specification ST9100823AB ST9808211AB ST960822AB ST9408114AB