Drive Specifications | www.seagate.com |
2.5Physical characteristics
Maximum height |
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2TB model | 26.1mm / 1.028 in | |
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1TB model | 20.20mm / 0.795 in | |
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Maximum width | 101.6mm / 4.0 in (± 0.010 in) | |
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Maximum length | 147.00mm / 5.78 in | |
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Typical weight |
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2TB model | 535g | / 1.18 lb |
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1TB model | 415g | / 0.915 lb |
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Cache buffer | 64MB (65,536kb) | |
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2.6Seek time
Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows:
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•Average seek time is a true statistical random average of at least 5000 measurements of seeks between random tracks, less overhead.
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Typical seek times (ms) | Read |
| Write | Read |
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| <1.0 |
| <1.2 | <1.0 |
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Average | <8.5 |
| <9.0 | <8.5 |
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Average latency | 5.1 |
| 5.1 | 5.1 |
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These drives are designed to consistently meet the seek times represented in this manual. Physical seeks, regardless of mode (such as
Note However, due to the manner in which these drives are formatted, benchmark tests that include command overhead or measure logical seeks may produce results that vary from these specifications.
2.7 Start/stop times
Start/stop times @ 25°C | 2TB model | 1TB model |
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<17.0s | < 6.0s | |
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Standby to ready (max) | <17.0s | < 6.0s |
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Ready to spindle stop (max) | 10.0s | 10.0s |
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14 | Video 3.5 HDD Product Manual, Rev. H |
