Seagate ST3300457SS manual 600 GB DC power requirements, Cheetah 15K.7 SAS Product Manual, Rev. D

Table 14: 600 GB DC power requirements

			3 Gbit mode		6 Gbit mode
		Notes	(Amps)	(Amps)	(Amps)	(Amps)
Voltage			+5V	+12V [2]	+5V	+12V [2]
Regulation		[5]	±5%	±5% [2]	±5%	±5% [2]
Avg idle current		[1] [7]	0.37	0.81	0.38	0.81
Maximum starting current
(peak DC) DC	3σ	[3]	0.67	1.90	0.68	1.91
(peak AC) AC	3σ	[3]	0.98	3.82	0.98	3.88
Delayed motor start (max) DC	3σ	[1] [4]	0.55	0.04	0.56	0.04
Peak operating current (random read):
Typical DC	[1][6]	[1]	0.44	1.15	0.45	1.17
Maximum DC	3σ	[1]	0.49	1.20	0.51	1.21
Maximum DC (peak)	3σ		1.32	3.00	1.34	3.00
Peak operating current (random write):
Typical DC	[1][6]	[1]	0.51	1.03	0.53	1.04
Maximum DC	3σ	[1]	0.56	1.05	0.58	1.07
Maximum DC (peak)	3σ		1.26	2.94	1.28	2.92
Peak operating current (sequential read):
Typical DC	[1][6]	[1]	0.98	0.83	0.99	0.84
Maximum DC	3σ	[1]	1.08	0.84	1.10	0.85
Maximum DC (peak)	3σ		1.40	1.26	1.46	1.24
Peak operating current (sequential write):
Typical DC	[1][6]	[1]	0.93	0.83	0.94	0.83
Maximum DC	3σ	[1]	1.00	0.84	1.02	0.85
Maximum DC (peak)	3σ		1.30	1.24	1.30	1.26

Cheetah 15K.7 SAS Product Manual, Rev. D 21