Seagate Constellation ST4000NM0033 Product Manual page 10

Table 2 4TB Drive DC power requirements
Voltage
Regulation
Avg Idle Current *
Advanced Idle Current *
Idle_A
Idle_B
Idle_C
Standby
Maximum Start Current
DC (peak DC)
AC (Peak DC)
Delayed Motor Start (DC max)
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)
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase
acoustic and power to operational levels.
Constellation ES.3 Serial ATA Product Manual, Rev. E
Notes 6.0Gb mode
+5V +12V
± 5%
0.28 0.50
0.17 0.49
0.16 0.45
0.15 0.27
0.15 0.01
3 0.52 2.16
3 0.85 2.89
3 0.16 0.01
0.31 0.81
3 0.32 0.84
3 1.83 2.43
0.30 0.78
3 0.32 0.79
3 0.78 2.39
0.63 0.56
3 0.66 0.57
3 1.36 2.20
0.55 0.60
3 0.57 0.61
3 1.40 2.18
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