Seagate ST9146653SS, Product Manual, Page: 32 / 80

24 Savvio 15K.3 SAS Product Manual, Rev. D
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] 0.38 0.20 0.38 0.20
Standby 3
σ
0.31 0.06 0.31 0.05
Maximum starting current
(peak DC) DC 3
σ
[3] 0.67 1.04 0.67 1.04
(peak AC) AC 3
σ
[3] 1.05 1.93 1.05 1.96
Delayed motor start (max) DC 3
σ
[1] [4] 0.56 0.06 0.56 0.06
Peak operating current: (random read)
Typical DC [1] [6] 0.51 0.46 0.50 0.46
Maximum DC 3
σ
[1] 0.57 0.48 0.57 0.48
Maximum (peak) DC 3
σ
1.49 1.32 1.43 1.36
Peak operating current: (random write)
Typical DC [1] 0.60 0.38 0.59 0.38
Maximum DC 3
σ
[1] 0.67 0.40 0.66 0.40
Maximum (peak) DC 3
σ
1.26 1.33 1.26 1.34
Peak operating current: (sequential read)
Typical DC [1] 0.89 0.25 0.89 0.25
Maximum DC 3
σ
[1] 0.97 0.25 0.97 0.25
Maximum (peak) DC 3
σ
1.21 0.50 1.31 0.48
Peak operating current: (sequential write)
Typical DC [1] 1.05 0.25 1.05 0.25
Maximum DC 3
σ
[1] 1.10 0.25 1.10 0.25
Maximum (peak) DC 3
σ
1.40 0.41 1.40 0.42