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24 Savvio 15K.3 SAS Product Manual, Rev. A
Table 2: 300GB models DC power requirements
Notes
3.0 Gb mode 6.0 Gb mode
Parameter (Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DC [1] [7] 0.36 0.20 0.37 0.20
Standby 3σ 0.31 0.06 0.31 0.05
Maximum starting current
(peak DC) DC 3σ [3] 0.63 1.04 0.64 1.04
(peak AC) AC 3σ [3] 0.91 1.93 0.83 1.96
Delayed motor start (max) DC 3σ [1] [4] 0.50 0.06 0.51 0.06
Peak operating current: (random read)
Typical DC [1] [6] 0.51 0.46 0.50 0.45
Maximum DC 3σ [1] 0.57 0.48 0.57 0.47
Maximum (peak) DC 3σ 1.49 1.32 1.43 1.36
Peak operating current: (random write)
Typical DC [1] 0.60 0.37 0.59 0.36
Maximum DC 3σ [1] 0.67 0.40 0.66 0.39
Maximum (peak) DC 3σ 1.26 1.33 1.23 1.34
Peak operating current: (sequential read)
Typical DC [1] 0.87 0.23 0.86 0.22
Maximum DC 3σ [1] 0.93 0.25 0.92 0.24
Maximum (peak) DC 3σ 1.21 0.50 1.31 0.48
Peak operating current: (sequential write)
Typical DC [1] 1.00 0.23 1.00 0.22
Maximum DC 3σ [1] 1.08 0.25 1.07 0.24
Maximum (peak) DC 3σ 1.32 0.41 1.36 0.42