Seagate ST800FM0022 Pulsar.2 SAS Product Manual - Page 27

Table 10, 400GB standard model DC power requirements

Page 27 highlights

Table 10 400GB standard model DC power requirements PARAMETER 400GB (6.0GB) Regulation Voltage 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 ±5% +5V CURRENT (A) 0.41 ±5% +12V CURRENT (A) 0.12 3σ 0.50 0.35 3σ 0.54 0.60 3σ 0.45 0.13 DC 0.47 0.20 3σ 0.51 0.21 3σ 0.95 0.48 DC 0.47 0.44 3σ 0.52 0.46 3σ 0.93 1.11 DC 0.55 0.31 3σ 0.60 0.32 3σ 1.00 0.59 DC 0.46 0.44 3σ 0.52 0.48 3σ 0.91 1.14 POWER (W) 3.49 3.81 4.75 5.07 7.63 8.12 6.47 6.84 7.58 8.36 PULSAR.2 SAS PRODUCT MANUAL, REV. C 21

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P
ULSAR
.2 SAS P
RODUCT
M
ANUAL
, R
EV
. C
21
Table 10
400GB standard model DC power requirements
P
ARAMETER
400GB (6.0G
B
)
Regulation
±5%
±5%
Voltage
+5V
+12V
C
URRENT
(A)
C
URRENT
(A)
P
OWER
(W)
Average idle current
DC
0.41
0.12
3.49
Maximum starting current
(peak DC) DC
3
σ
0.50
0.35
(peak AC) AC
3
σ
0.54
0.60
Delayed start (max) DC
3
σ
0.45
0.13
3.81
Peak operating current (random read):
Typical DC
DC
0.47
0.20
4.75
Maximum DC
3
σ
0.51
0.21
5.07
Maximum (peak) DC
3
σ
0.95
0.48
Peak operating current (random write)
Typical DC
DC
0.47
0.44
7.63
Maximum DC
3
σ
0.52
0.46
8.12
Maximum (peak) DC
3
σ
0.93
1.11
Peak operating current (sequential read)
Typical DC
DC
0.55
0.31
6.47
Maximum DC
3
σ
0.60
0.32
6.84
Maximum (peak) DC
3
σ
1.00
0.59
Peak operating current (sequential write)
Typical DC
DC
0.46
0.44
7.58
Maximum DC
3
σ
0.52
0.48
8.36
Maximum (peak) DC
3
σ
0.91
1.14