Seagate ST336754SS Cheetah 15K.4 SAS Product Manual - Page 35
Physical/electrical specifications
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6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. 6.1 None. AC power requirements 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: ST3146854SS DC power requirements ST3146854SS 3 Gbit mode Notes (Amps) (Amps) Voltage +5V +12V [2] Regulation [5] ±5% ±5% [2] Avg idle current DCX [1] [7] 1.02 0.77 Maximum starting current (peak DC) DC 3σ [3] 1.21 1.82 (peak AC) AC 3σ [3] 1.67 3.89 Delayed motor start (max) DC 3σ [1] [4] 1.03 0.04 Peak operating current: Typical DCX [1] [6] 1.12 1.17 Maximum DC 3σ [1] 1.15 1.19 Maximum (peak) DC 3s 1.70 2.86 ST3146854SS 1.5 Gbit mode (Amps) (Amps) +5V +12V [2] ±5% ±5% [2] 1.08 0.77 1.23 1.82 1.67 3.88 1.02 0.04 1.04 1.17 1.12 1.20 1.70 2.90 Cheetah 15K.4 SAS Product Manual, Rev. B 25