Seagate ST800FM0012 Pulsar Serial ATA Product Manual - Page 16
Peak Operating Current random read
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Table 3: 100GB DC power requirements Parameter 100Gb (3.0GB) Regulation +/‐5% Voltage +5 V Current (A) Power (W) Average Idle Current DCx 0.14 0.70 Standby DCx 0.11 0.55 Average Sleep Current DCx 0.10 0.50 Maximum Start Current: DC (Peak DC) AC (Peak AC) 3σ 0.80 3σ 1.48 Delayed Motor Start (DC max) 3σ 0.11 0.55 Peak Operating Current (random read): Typical DC DCx 0.16 0.80 Maximum DC Maximum DC (peak) 3σ 0.17 0.85 3σ 0.67 Peak Operating Current (random write): Typical DC Maximum DC Maximum DC (peak) DCx 0.26 1.30 3σ 0.27 1.35 3σ 0.97 Peak operating current (sequential read): Typical DC DCx 0.23 1.15 Maximum DC 3σ 0.24 1.20 Maximum DC (peak) 3σ 0.77 Peak operating current (sequential write): Typical DC DCx 0.38 1.90 Maximum DC 3σ 0.40 2.00 Maximum DC (peak) 3σ 1.04 *During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to operational levels. 10 Pulsar Product Manual, Rev. A