Seagate ST400FX0002 Pulsar XT.2 SAS Product Manual - Page 31
DC power requirements
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7.3 DC power requirements Table 8: 400GB standard model DC power requirements Parameter Regulation Voltage Average idle current Maximum starting current (peak DC) DC (peak AC) AC Delayed start (max) DC Peak operating current (random read): Typical DC Maximum DC Maximum (peak) DC Peak operating current (random write) Typical DC Maximum DC Maximum (peak) DC Peak operating current (sequential read) Typical DC Maximum DC Maximum (peak) DC Peak operating current (sequential write) Typical DC Maximum DC Maximum (peak) DC DC ±5% +5V Current (A) 0.44 400GB (6.0Gb) ±5% +12V Current (A) 0.31 3σ 1.15 0.45 3σ 1.21 0.63 3σ 0.44 0.31 DC 0.47 0.36 3σ 0.48 0.37 3σ 0.47 0.46 DC 0.45 0.42 3σ 0.46 0.43 3σ 0.60 053 DC 0.58 0.44 3σ 0.59 0.45 3σ 0.64 0.52 DC 0.55 0.53 3σ 0.56 0.54 3σ 0.57 0.63 Power (W) 5.92 5.92 6.67 6.84 7.29 7.46 8.18 8.35 9.11 9.28 Pulsar XT.2 SAS Product Manual, Rev. B 23