Barracuda ES.2 SAS Product Manual, Rev. E 23
6.0 Physical/electrical specificationsThis 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.
Table 2: ST31000640SS DC power requirements
Notes
ST31000640SS
3 Gbit mode
(Amps) (Amps)
Voltage +5V +12V [2]
Regulation [5] ±5% ±5% [2]
Avg idle current DCX [1] [6] 0.60 0.50
Maximum starting current
(peak DC) DC 3σ[3] 0.95 2.00
(peak AC) AC 3σ[3] 1.10 3.50
Delayed motor start (max) DC 3σ[1] [4] 0.60 0.17
Peak operating current:
Typical DCX [1] 0.62 0.78
Maximum DC 3σ[1] 0.74 0.82
Maximum (peak) DC 3σ1.15 1.75