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

16									Elite 9 Installation Guide, Rev. B
DC power requirements for ST410800W/WD drives
										Single ended		Differential
										5V[11]	12V	5V[11]	12V
Voltage regulation[5]										±5%	±5%[2]	±5% ±5%[2]
Max operating current											Amps
DC 3σ 1										1.0	1.94	1.27	1.94
Avg idle current DC								1, 12
							X			0.7	1.56	1.0	1.56
Max starting current
Peak DC 3σ 3, 6										1.0	4.8	1.1	4.8
Peak AC 3σ 3										–	5.12	–	5.12
Delay motor start
Max DC 3σ 1, 4										0.96	0.25	1.1	0.25
Peak operating current
Typical DC X 1, 15										0.98	1.69	1.18	1.69
Max DC 3σ 1										1.0	1.94	1.27	1.94
Max (peak) AC 3σ										1.1	2.89	1.93	2.89
Track following at
OD DC				1
		X								0.97	1.58	1.0	1.56
ID DC			1							0.96	1.9	0.99	1.9
	X
Read track
OD DC 3σ 1, 16										1.03	1.8	1.5	1.8
AC 3σ										1.1	2.1	2.1	2.1
Seeking
Typical DC					X	1, 13				0.96	1.95	1.0	1.95
Max DC 3σ 1										1.0	2.2	1.1	2.2
Max (peak) AC 3σ										1.1	2.85	1.7	2.85