Seagate ST410800W/WD manual DC power requirements for ST410800N/ND drives, Amps

Elite 9 Installation Guide, Rev. B												15
DC power requirements for ST410800N/ND drives
									Single-ended		Differential
									+5V11	+12V	+5V11	+12V
Voltage regulation5									± 5%	± 5%2	± 5%	± 5%2
Max operating current										Amps
DC 3σ 1									0.95	1.85	1.4	1.85
Avg idle current DC								1, 12
							X		0.665	1.57	0.71	1.57
Max starting current
Peak DC 3σ 3, 6									0.98	4.8	1.0	4.8
Peak AC 3σ 3									–	5.12	–	5.12
Delay motor start
Max DC 3σ 1, 4									0.98	0.25	1.0	0.25
Peak operating current
Typical DC X 1, 10									0.93	1.69	1.32	1.69
Max DC 3σ 1									0.95	1.85	1.4	1.85
Max (peak) AC 3σ									1.19	2.89	1.58	2.89
Track following at
OD DC				1					0.94	1.6	0.99	1.6
		X
ID DC	X		1						0.92	1.9	0.98	1.9
Read track
OD DC 3σ 1, 14									0.96	1.8	1.45	1.8
AC 3σ									1.37	1.9	1.64	1.9
Seeking
Typical DC					X	1, 13			0.95	1.95	0.99	1.95
Max DC 3σ 1									0.99	2.1	1.02	2.1
Max (peak) AC 3σ									1.15	2.85	1.49	2.85