Drive specification | ST91000640NS | ST9500620NS | ST9250610NS | ||
| ST91000641NS | ST9500621NS | ST9250611NS | ||
| ST91000642NS | ST9500622NS | ST9250612NS | ||
Vibration, operating | 0.5 Gs |
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Vibration, nonoperating | 3.0 Gs |
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Drive acoustics, sound power (bels) |
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Active | 2.8 | (typical) |
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Idle** | 2.2 | (typical) |
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Nonrecoverable read errors | 1 sector per 1015 bits read |
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Annualized Failure Rate (AFR) | 0.62% |
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Warranty | To determine the warranty for a specific drive, use a web browser to access the | ||||
| following web page: |
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| From this page, click on the “Verify Your Warranty” link. You will be asked to provide | ||||
| the drive serial number, model number (or part number) and country of purchase. | ||||
| The system will display the warranty information for your drive. | ||||
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Load/Unload cycles | 300,000 (25°C, 50% rel. humidity) (600,000 design life testing) | ||||
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Supports Hotplug operation per | Yes |
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Serial ATA Revision 2.6 specification |
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*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
**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.
6 | Constellation.2 Serial ATA Product Manual, Rev. B |