Seagate ST3300657SS Cheetah 15K.7 SAS Product Manual - Page 26
Table 13, DC power requirements
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Table 13: 600 GB DC power requirements Voltage Regulation Avg idle current Maximum starting current (peak DC) DC (peak AC) AC Delayed motor start (max) DC Peak operating current (random read): Typical DC Maximum DC Maximum DC (peak) Peak operating current (random write): Typical DC Maximum DC Maximum DC (peak) Peak operating current (sequential read): Typical DC Maximum DC Maximum DC (peak) Peak operating current (sequential write): Typical DC Maximum DC Maximum DC (peak) ST3600057SS ST3600957SS 3 Gbit mode Notes (Amps) (Amps) +5V +12V [2] [5] ±5% ±5% [2] [1] [7] 0.37 0.81 3σ [3] 0.67 1.90 3σ [3] 0.98 3.82 3σ [1] [4] 0.55 0.04 [1][6] [1] 0.44 1.15 3σ [1] 0.49 1.20 3σ 1.32 3.00 [1][6] [1] 0.51 1.03 3σ [1] 0.56 1.05 3σ 1.26 2.94 [1][6] [1] 0.98 0.83 3σ [1] 1.08 0.84 3σ 1.40 1.26 [1][6] [1] 0.93 0.83 3σ [1] 1.00 0.84 3σ 1.30 1.24 ST3600057SS ST3600957SS 6 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 0.38 0.81 0.68 1.91 0.98 3.88 0.56 0.04 0.45 1.17 0.51 1.21 1.34 3.00 0.53 1.04 0.58 1.07 1.28 2.92 0.99 0.84 1.10 0.85 1.46 1.24 0.94 0.83 1.02 0.85 1.30 1.26 20 Cheetah 15K.7 SAS Product Manual, Rev. B