Seagate ST800FM0012 Pulsar.2 SAS Product Manual - Page 35

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Table 11: Parameter Regulation Voltage 200GB standard model DC power requirements 200GB (6.0Gb) ±5% +5V Current (A) ±5% +12V Current (A) 0.11 Power (W) 3.47 Average idle current Maximum starting current (peak DC) DC (peak AC) AC Delayed start (max) DC Peak operating current (random read): Typical DC Maximum DC Maximum (peak) DC Peak operating current (random write) Typical DC Maximum DC Maximum (peak) DC Peak operating current (sequential read) Typical DC Maximum DC Maximum (peak) DC Peak operating current (sequential write) Typical DC Maximum DC Maximum (peak) DC DC 0.43 3σ 3σ 3σ 0.51 0.61 0.45 0.31 1.26 0.12 3.69 DC 3σ 3σ 0.48 0.51 0.86 0.19 0.20 0.47 4.68 5.15 DC 3σ 3σ 0.47 0.51 0.82 0.41 0.42 0.98 7.27 7.59 DC 3σ 3σ 0.55 0.59 0.80 0.28 0.29 0.57 6.11 6.43 DC 3σ 3σ 0.47 0.51 0.76 0.41 0.42 0.95 7.27 7.59 Pulsar.2 SAS Product Manual, Rev. B 27

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Pulsar.2 SAS Product Manual, Rev. B
27
Table 11:
200GB standard model
DC power requirements
Parameter
200GB (6.0Gb)
Regulation
±5%
±5%
Voltage
+5V
+12V
Current (A)
Current (A)
Power (W)
Average idle current
DC
0.43
0.11
3.47
Maximum starting current
(peak DC) DC
3
σ
0.51
0.31
(peak AC) AC
3
σ
0.61
1.26
Delayed start (max) DC
3
σ
0.45
0.12
3.69
Peak operating current (random read):
Typical DC
DC
0.48
0.19
4.68
Maximum DC
3
σ
0.51
0.20
5.15
Maximum (peak) DC
3
σ
0.86
0.47
Peak operating current (random write)
Typical DC
DC
0.47
0.41
7.27
Maximum DC
3
σ
0.51
0.42
7.59
Maximum (peak) DC
3
σ
0.82
0.98
Peak operating current (sequential read)
Typical DC
DC
0.55
0.28
6.11
Maximum DC
3
σ
0.59
0.29
6.43
Maximum (peak) DC
3
σ
0.80
0.57
Peak operating current (sequential write)
Typical DC
DC
0.47
0.41
7.27
Maximum DC
3
σ
0.51
0.42
7.59
Maximum (peak) DC
3
σ
0.76
0.95