Power Specifications; Power Consumption - Seagate Enterprise Capacity 3.5 HDD Product Manual

2.5

Power specifications

The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 4 on page 21.
2.5.1

Power consumption

Power requirements for the drives are listed in Table 2 through Table 3. 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.
Table 2 DC power requirements (3TB and 4TB)
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)
Operating current (random read): 4K/Q16
Typical DC
Maximum DC
Operating current (random write): 4K/Q16
Typical DC
Maximum DC
Operating current (sequential read): 64K/Q16
Typical DC
Maximum DC
Operating current (sequential write): 64K/Q16
Typical DC
Maximum DC
*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
Seagate Enterprise Capacity 3.5 HDD v5 Serial ATA Product Manual, Rev. B
6.0Gb mode
+5V +12V Watts
± 5% Total
0.205 0.369 5.45
0.200 0.366 5.39
0.133 0.330 4.63
0.141 0.202 3.13
0.125 0.001 0.63
0.491 2.095
0.680 2.680
0.176 0.068 1.70
0.234 0.724 9.86
0.238 0.734 10.00
0.245 0.692 9.52
0.248 0.701 9.65
0.505 0.402 7.35
0.512 0.407 7.45
0.443 0.427 7.33
0.448 0.430 7.40
9