Seagate Cheetah 15K Product Manual page 27

Table 13: DC power requirements
600 GB
Voltage
Regulation
Avg idle current
Maximum starting current
(peak DC) DC
(peak AC) AC
Delayed motor start (max) DC
Peak operating current (random read):
Typical DC
Maximum DC
Maximum DC (peak)
Peak operating current (random write):
Typical DC
Maximum DC
Maximum DC (peak)
Peak operating current (sequential read):
Typical DC
Maximum DC
Maximum DC (peak)
Peak operating current (sequential write):
Typical DC
Maximum DC
Maximum DC (peak)
Cheetah 15K.7 SAS Product Manual, Rev. C
3 Gbit mode
Notes (Amps)
+5V
[5] ±5%
[1] [7] 0.37
3σ [3] 0.67
3σ [3] 0.98
3σ [1] [4] 0.55
[1][6] [1] 0.44
3σ [1] 0.49
3σ 1.32
[1][6] [1] 0.51
3σ [1] 0.56
3σ 1.26
[1][6] [1] 0.98
3σ [1] 1.08
3σ 1.40
[1][6] [1] 0.93
3σ [1] 1.00
3σ 1.30
6 Gbit mode
(Amps) (Amps) (Amps)
+12V [2] +5V +12V [2]
±5% [2] ±5% ±5% [2]
0.81 0.38 0.81
1.90 0.68 1.91
3.82 0.98 3.88
0.04 0.56 0.04
1.15 0.45 1.17
1.20 0.51 1.21
3.00 1.34 3.00
1.03 0.53 1.04
1.05 0.58 1.07
2.94 1.28 2.92
0.83 0.99 0.84
0.84 1.10 0.85
1.26 1.46 1.24
0.83 0.94 0.83
0.84 1.02 0.85
1.24 1.30 1.26
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