Physical/Electrical Specifications; Ac Power Requirements; Dc Power Requirements - Seagate Cheetah NS 10K Product Manual

6.0

Physical/electrical specifications

This section provides information relating to the physical and electrical characteristics of the drive.
6.1

AC power requirements

None.
6.2

DC power requirements

The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive
connector. Notes are shown following table 3.
Table 2: DC power requirements for ST3400755FC model
Voltage
Regulation
Avg idle current DCX
Maximum starting current
(peak DC) DC
(peak AC) AC
Delayed motor start (max) DC 3σ
Peak operating current:
Typical DCX
Maximum DC
Maximum (peak) DC
Cheetah NS FC Product Manual, Rev. A
1 Gbit
Notes (Amps)
+5V
[5] ±5%
[1] [7] 0.70
3σ [3] 0.82
3σ [3] 1.09
[1] [4] 0.59
[1] [6] 0.72
3σ [1] 0.74
3σ 1.34
2 Gbit
(Amps) (Amps) (Amps)
+12V [2] +5V +12V [2]
±5% [2] ±5% ±5% [2]
0.35 0.72 0.35
1.67 0.84 1.67
3.20 1.17 3.23
0.03 0.61 0.04
0.66 0.75 0.67
0.73 0.76 0.74
2.58 1.36 2.62
4 Gbit
(Amps) (Amps)
+5V +12V [2]
±5% ±5% [2]
0.78 0.35
0.90 1.67
1.15 3.24
0.67 0.04
0.81 0.67
0.83 0.74
1.46 2.52
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