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24 Savvio 10K.5 SAS Product Manual, Rev. D
Table 4: 450GB standard model DC power requirements
Notes
3.0Gb mode 6.0Gb mode
(Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [6] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DC [1] [8] 0.34 0.17 0.34 0.17
Advanced Idle Current
Idle_A 3σ 0.37 0.18 0.37 0.18
Idle_B 3σ 0.25 0.17 0.25 0.16
Idle_C 3σ 0.24 0.09 0.24 0.09
Standby 3σ 0.25 0.06 0.24 0.06
Transition Current
Idle_A 3σ 0.76 1.51 0.81 1.54
Idle_B 3σ 0.87 1.57 0.91 1.57
Idle_C 3σ 0.87 1.56 0.96 1.57
Standby 3σ 0.94 1.64 1.02 1.58
Maximum starting current
(peak DC) DC 3σ [4] 0.57 0.88 0.57 0.87
(peak AC) AC 3σ [4] 1.00 1.60 0.90 1.59
Delayed motor start (max) DC 3σ [1] [5] 0.43 0.08 0.43 0.08
Peak operating current (random read):
Typical DC [1] [7] 0.48 0.46 0.48 0.46
Maximum DC 3σ [1] 0.50 0.50 0.52 0.49
Maximum (peak) DC 3σ 1.29 1.50 1.34 1.52
Peak operating current (random write)
Typical DC
[1]
0.55 0.35 0.56 0.35
Maximum DC 3σ [1] 0.59 0.42 0.60 0.41
Maximum (peak) DC 3σ 1.11 1.50 1.08 1.51
Peak operating current (sequential read)
Typical DC
[1]
0.83 0.20 0.84 0.20
Maximum DC 3σ [1] 0.90 0.20 0.91 0.20
Maximum (peak) DC 3σ 1.14 0.30 1.21 0.31
Peak operating current (sequential write)
Typical DC
[1]
0.90 0.20 0.90 0.20
Maximum DC 3σ [1] 0.95 0.21 0.95 0.20
Maximum (peak) DC 3σ 1.20 0.33 1.16 0.30