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Table 1: | Specifications |
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Drive specification | ST9100823AB |
| ST9808211AB |
| ST960822AB | ST9408114AB | |
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Read/write power (typical) | 2.05/2.1 watts |
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Idle mode (typical) | 0.99 watts |
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Standby mode |
| 0.2 watts (typical)** |
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Sleep mode |
| 0.2 watts (typical)** |
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Voltage tolerance (including noise) | 5V ± 5% |
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Ambient temperature | 5° to 55°C (operating) |
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Temperature gradient | 20°C (operating) |
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(°C per hour max, noncondensing) | 30°C (nonoperating) |
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Relative humidity (noncondensing) | 5% to 90% (operating) |
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5% to 95% (nonoperating) |
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Relative humidity gradient | 30% per hour max |
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Wet bulb temperature (°C max) | 30°C (operating) |
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40°C (nonoperating) |
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Altitude, operating |
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Altitude, nonoperating |
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(below mean sea level, max) |
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Shock, operating (Gs max at 2 msec) | 250 |
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Shock, nonoperating (Gs max at 2 msec) | 800 |
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Shock, nonoperating (Gs max at 1 msec) | 900 |
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Shock, nonoperating (Gs max at 0.5 msec) | 400 |
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Vibration, operating (max displacement may | 1.0 Gs (0 to peak, |
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apply below 10 hz) |
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Vibration, nonoperating (max displacement | 5.0 Gs (0 to peak, |
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may apply below 22 hz) |
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Drive acoustics, sound power (bels) |
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Idle* |
| 2.4 (typical) |
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| 2.6 (max) |
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Quiet seek |
| 2.6 (typical) |
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| 2.8 (max) |
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Performance seek | 2.9 (typical) |
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3.1 (max) |
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Nonrecoverable read errors | 1 per 1014 bits read |
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| 500,000 hours at 25°C ambient temperature |
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Mean Time Before Failure (MTBF) | 8,760 Power On Hours/year at nominal power. |
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| Max case temperature: 40°C at the case measurement location shown in Figure 4. | |||||
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Load/Unload (U/UL) cycles |
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25°C, 50% relative humidity | 600,000 |
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32°C, 80% relative humidity | 20,000 hard power on/off cycles |
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5°C, 80% relative humidity | 600,000 |
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5°C, 10% relative humidity | 20,000 hard power on/off cycles |
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55°C, 16% relative humidity |
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Service life |
| 5 Years |
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Warranty |
| 5 Years |
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*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.
4 | Momentus 5400.2 Blade Server Product Manual, Rev. B |