Table 2: | 146GB models DC power requirements |
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| 3.0 Gbit mode | 6.0 Gbit mode | ||
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| Notes | (Amps) | (Amps) | (Amps) | (Amps) |
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Voltage |
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| +5V | +12V [2] | +5V | +12V [2] |
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Regulation |
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| [5] | ±5% | ±5% [2] | ±5% | ±5% [2] |
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Avg idle current DC |
| [1] [7] | 0.36 | 0.21 | 0.37 | 0.21 | |
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Maximum starting current |
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(peak DC) DC | 3σ | [3] | 0.51 | 1.12 | 0.51 | 1.12 | |
(peak AC) AC | 3σ | [3] | 0.93 | 1.77 | 0.90 | 1.79 | |
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Delayed motor start (max) DC | 3σ | [1] [4] | 0.56 | 0.05 | 0.57 | 0.06 | |
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Peak operating current: (random read) |
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Typical DC |
| [1] [6] | 0.45 | 0.41 | 0.46 | 0.41 | |
Maximum DC | 3σ | [1] | 0.47 | 0.41 | 0.48 | 0.41 | |
Maximum (peak) DC | 3σ |
| 1.14 | 1.24 | 1.16 | 1.22 | |
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Peak operating current: (random write) |
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Typical DC |
| [1] | 0.51 | 0.32 | 0.53 | 0.32 | |
Maximum DC | 3σ | [1] | 0.54 | 0.33 | 0.55 | 0.32 | |
Maximum (peak) DC | 3σ |
| 1.16 | 1.22 | 1.16 | 1.20 | |
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Peak operating current: (sequential read) |
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Typical DC |
| [1] | 0.88 | 0.22 | 0.90 | 0.22 | |
Maximum DC | 3σ | [1] | 0.90 | 0.22 | 0.92 | 0.22 | |
Maximum (peak) DC | 3σ |
| 1.20 | 0.48 | 1.22 | 0.46 | |
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Peak operating current: (sequential write) |
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Typical DC |
| [1] | 0.86 | 0.22 | 0.87 | 0.22 | |
Maximum DC | 3σ | [1] | 0.92 | 0.22 | 0.93 | 0.22 | |
Maximum (peak) DC | 3σ |
| 1.18 | 0.46 | 1.18 | 0.46 | |
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22 | Savvio 15K.2 SAS Product Manual, Rev. E |