Seagate ST1000NM0031, ST2000NM0031, ST1000NM0011, ST500NM0051 manual 1TB Drive DC power requirements

Table 4 1TB Drive DC power requirements

				3.0Gb mode			6.0Gb mode
Voltage			+5V		+12V	+5V		+12V
Regulation			±5%		±5%	±5%		±5%
Avg Idle Current *			0.23		0.28	0.24		0.28
Advanced Idle Current *
	Idle_A		0.23		0.28	0.24		0.28
	Idle_B		0.14		0.25	0.15		0.25
	Idle_C		0.14		0.14	0.15		0.14
	Standby		0.13		0.01	0.14		0.02
Transition Current *
	Idle_A (Active)		0.54		1.46	0.60		1.46
	Idle_B (Active)		0.62		1.35	0.60		1.31
	Idle_C (Active)		0.62		2.03	0.60		2.05
	Standby (Active)		0.66		2.49	0.84		2.51
Average Sleep Current			0.13		0.02	0.14		0.01
Maximum Start Current
	DC (peak DC)	3σ	0.99		1.92	0.49		1.90
	AC (Peak DC)	3σ	0.76		2.50	0.78		2.59
Delayed Motor Start (DC max)		3σ	0.14		0.02	0.15		0.02
Peak operating current (random read):
	Typical DC		0.29		0.46	0.30		0.48
	Maximum DC	3σ	0.30		0.56	0.31		0.58
	Maximum DC(peak)	3σ	1.12		1.52	1.14		1.55
Peak operating current (random write)
	Typical DC		0.39		0.36	0.40		0.37
	Maximum DC	3σ	0.40		0.41	0.41		0.41
	Maximum DC(peak)	3σ	1.13		1.55	1.14		1.56
Peak operating current (sequential read)
	Typical DC		0.61		0.28	0.62		0.27
	Maximum DC	3σ	0.63		0.29	0.63		0.29
	Maximum DC(peak)	3σ	0.91		0.46	0.99		0.55
Peak operating current (sequential write)
	Typical DC		0.79		0.28	0.79		0.28
	Maximum DC	3σ	0.82		0.29	0.81		0.29
	Maximum DC(peak)	3σ	1.09		0.51	1.12		0.57

CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F 9