22 Savvio 15K.2 SAS Product Manual, Rev. ETable 2: 146GB models DC power requirements
Notes
3.0 Gbit mode 6.0 Gbit 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] 0.36 0.21 0.37 0.21
Maximum starting current
(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
Delayed motor start (max) DC 3σ[1] [4] 0.56 0.05 0.57 0.06
Peak operating current: (random read)
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 3σ1.14 1.24 1.16 1.22
Peak operating current: (random write)
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 3σ1.16 1.22 1.16 1.20
Peak operating current: (sequential read)
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 3σ1.20 0.48 1.22 0.46
Peak operating current: (sequential write)
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 3σ1.18 0.46 1.18 0.46