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Seagate Enterprise Capacity 3.5 HDD v4 Serial ATA Product Manual, Rev. C 7
2.5 Power specifications
The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 8 on page 22.
2.5.1 Power consumption
Power requirements for the drives are listed in Table 2 through Table 4. Typical power measurements are based on an
average of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.
*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.
Table 2 DC power requirements (6TB and ST5000NM0084)
Notes 6.0Gb mode
Voltage +5V +12V Watts
Regulation ± 5% Total
Avg Idle Current * 0.19 0.59 8.00
Advanced Idle Current *
Idle_A 0.14 0.60 7.85
Idle_B 0.13 0.53 6.97
Idle_C 0.13 0.31 4.43
Standby 0.11 0.01 0.67
Maximum Start Current
DC (peak DC) 3 0.37 2.28 29.21
AC (Peak DC) 3 0.56 2.95 38.20
Delayed Motor Start (DC max) 3 0.12 0.01 0.73
Peak operating current (random read):
Typical DC 0.22 0.79 10.62
Maximum DC 3 0.23 0.84 11.21
Maximum DC (peak) 3 1.17 2.31 33.57
Peak operating current (random write)
Typical DC 0.22 0.65 8.91
Maximum DC 3 0.23 0.70 9.55
Maximum DC (peak) 3 1.45 3.08 44.21
Peak operating current (sequential read)
Typical DC 0.52 0.64 10.32
Maximum DC 3 0.54 0.69 10.98
Maximum DC (peak) 3 0.72 1.08 16.56
Peak operating current (sequential write)
Typical DC 0.44 0.68 10.35
Maximum DC 3 0.46 0.72 10.94
Maximum DC (peak) 3 0.60 1.06 15.72