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Seagate 1200 SSD Product Manual, Rev. C 29
Table 5 400GB standard 2.5” model DC power requirements
(Models ST400FM0013, ST400FM0033, ST400FM0053, ST400FM0073)
Parameter 400GB (6.0Gb)
Regulation
[4]
±5% ±5%
[2]
Voltage +5V +12V
[2]
Current (A) Current (A) Power (W)
Average idle current
[1]
DC
0.44 0.08 3.16
Maximum starting current
(peak DC) DC 3 0.67 0.49
(peak AC) AC 3 0.78 0.97
Delayed start (max) DC
[1] [3]
3 0.45 0.07 3.09
Operating current (random read):
Typical DC
[1]
DC 0.50 0.15 4.30
Maximum DC
[1]
3 0.53 0.17 4.69
Maximum (peak) DC 3 0.99 0.32
Operating current (random write)
Typical DC DC 0.52 0.29 6.08
Maximum DC 3 0.56 0.30 6.40
Maximum (peak) DC 3 1.09 0.74
Operating current (sequential read)
Typical DC DC 0.52 0.17 4.64
Maximum DC 3 0.55 0.18 4.91
Maximum (peak) DC 3 1.03 0.36
Operating current (sequential write)
Typical DC DC 0.52 0.30 6.20
Maximum DC 3 0.55 0.31 6.47
Maximum (peak) DC 3 1.03 0.71