Table 1: | Drive specifications |
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Drive specification | ST9120821AS | ST9100824AS | ST98823AS | ST96812AS | ST94813AS | ST93811AS | |
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Startup current, (typical, peak) | +5V: 1.1A |
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1.0 (read), 1.5 (write) |
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(msec typical) |
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Average seek, read (msec typical) | 12.5 |
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Average seek, write (msec typical) | 14.5 |
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Seek power (typical) | 2.20 watts |
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Read/write power (typical) | Read: 1.90 watts; Write: 2.30 watts |
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Idle mode, low power (typical) | 0.80 watts |
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Standby mode (typical) | 0.28 watts** |
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Sleep mode (typical) | 0.28 watts** |
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Voltage tolerance (including noise) | +5.0V ± 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) | 30°C (nonoperating) |
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Relative humidity | 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 | 30 (operating) |
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(°C max) |
| 40 (nonoperating) |
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Altitude, operating |
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Altitude, nonoperating |
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(meters below mean sea level, max) |
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Shock, operating | 250 |
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(Gs max at 2 msec) |
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Shock, nonoperating | 800 |
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(Gs max at 2 msec) |
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Shock, nonoperating | 900 |
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(Gs max at 1 msec) |
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Shock, nonoperating | 400 |
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(Gs max at 0.5 msec) |
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Vibration, operating | 1.0 G (0 to peak, |
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Vibration, nonoperating | 5 Gs (0 to peak, |
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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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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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Annualized Failure Rate (AFR) | 0.73% |
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Service life |
| 5 Years |
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Warranty |
| 5 years on distribution units. |
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| To determine the warranty for a specific drive, use a web browser to access the following web | |||||
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| page: |
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| www.seagate.com/support/service/ |
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| From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive | |||||
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| serial number, model number (or part number) and country of purchase. The system will display | |||||
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| the warranty information for your drive. |
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4 | Momentus 5400.2 SATA Product Manual, Rev. C |
