User's Manual

Seagate IronWolf Pro SATA Product Manual, Rev. G 11
*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 3 DC power requirements (4TB)
6.0Gb mode
Voltage +5V +12V Watts
Regulation ± 5% Total
Avg Idle Current * 0.237 0.356 5.43
Advanced Idle Current *
Idle_A 0.238 0.36 5.48
Idle_B 0.185 0.304 4.56
Idle_C 0.179 0.083 1.89
Standby 0.17 0.01 0.98
Maximum Start Current
DC (peak DC) 0.702 1.65 23.34
AC (Peak DC) 0.968 1.96
Operating current (random read 4K16Q)
Typical DC 0.393 0.705 10.36
Maximum DC 0.396 0.717
Maximum DC (peak) 0.11 2.25
Operating current (random write 4K16Q)
Typical DC 0.27 0.798 10.86
Maximum DC 0.27 0.805
Maximum DC (peak) 0.636 2.24
Operating current (sequential read 64K16Q)
Typical DC 0.696 0.544 9.94
Maximum DC 0.701 0.546
Maximum DC (peak) 1.23 1.82
Operating current (sequential write 64K16Q)
Typical DC 0.593 0.539 9.37
Maximum DC 0.593 0.539
Maximum DC (peak) 0.704 0.853