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22 Savvio 10K.4 SAS Product Manual, Rev. A
Table 2: 600GB standard drive DC power requirements
Notes
600GB standard model
3.0Gb mode
600 GB standard model
6.0Gb mode
(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] 0.33 0.24 0.34 0.24
Advanced Idle Current
Idle_A 3σ 0.32 0.24 0.33 0.24
Idle_B 3σ 0.23 0.21 0.24 0.21
Idle_C 3σ 0.23 0.11 0.24 0.10
Standby 3σ 0.23 0.06 0.24 0.05
Transition Current
Idle_A - Active 3σ 0.72 1.58 0.70 1.42
Idle_B - Active 3σ 0.68 1.53 0.66 1.51
Idle_C - Active 3σ 0.64 1.53 0.66 1.51
Standby - Active 3σ 0.64 1.61 0.68 1.61
Maximum starting current
(peak DC) DC 3σ [3] 0.51 0.87 0.53 0.87
(peak AC) AC 3σ [3] 0.75 1.63 0.86 1.65
Delayed motor start (max) DC 3σ [1] [4] 0.46 0.07 0.47 0.07
Peak operating current (random read):
Typical DC [1] [6] 0.43 0.51 0.44 0.51
Maximum DC 3σ [1] 0.44 0.52 0.46 0.52
Maximum (peak) DC 3σ 1.06 1.54 1.10 1.52
Peak operatig current (random write)
Typical DC 0.48 0.42 0.50 0.42
Maximum DC 3σ 0.49 0.44 0.50 0.44
Maximum (peak) DC 3σ 1.02 1.54 1.04 1.56
Peak operating current (sequential read)
Typical DC 0.82 0.26 0.84 0.27
Maximum DC 3σ 0.86 0.27 0.88 0.27
Maximum (peak) DC 3σ 1.12 0.42 1.16 0.42
Peak operating current (sequential write)
Typical DC 0.80 0.25 0.81 0.25
Maximum DC 3σ 0.82 0.27 0.83 0.27
Maximum (peak) DC 3σ 1.02 0.66 1.04 0.76