Seagate ST4000NM0033 Constellation ES.1 SAS Product Manual - Page 33
Constellation ES.1 SAS Product Manual, Rev. E, See table notes on the next
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Table 4: 500GB drive (Standard & SED model) DC power requirements Voltage Regulation Avg idle current DCX Advanced idle current Idle_A Idle_B Idle_C/ Standby_Y Standby_Z Transition current Idle_A - Active Idle_B - Active Idle_C - Active Standby - Active Maximum starting current (peak DC) DC (peak AC) AC Delayed motor start (max) DC Peak operating current (random read): Typical DCX Maximum DC Maximum (peak) DC Peak operating current (random write) Typical DCX Maximum DC Maximum (peak) DC Peak operating current (sequential read) Typical DCX Maximum DC Maximum (peak) DC Peak operating current (sequential write) Typical DCX Maximum DC Maximum (peak) DC Note. See table notes on the next page. Notes [5] [1] [7] 3.0Gb mode (Amps) +5V +12V [4] ±5% ±5% [2] 0.36 0.21 0.36 0.21 0.25 0.19 0.25 0.11 0.25 0.02 0.62 1.48 0.62 1.32 0.66 2.04 0.88 2.46 3σ [5] 0.61 1.92 3σ [5] 0.83 2.53 3σ [1] [6] 0.44 0.02 [1] [6] 0.44 0.37 3σ [1] 0.44 0.39 3σ 1.18 1.48 0.54 0.28 3σ 0.59 0.31 3σ 1.32 1.47 0.77 0.20 3σ 0.84 0.21 3σ 1.07 0.40 0.95 0.20 3σ 1.01 0.21 3σ 1.40 0.38 6.0Gb mode (Amps) +5V +12V [4] ±5% ±5% [2] 0.36 0.21 0.36 0.21 0.25 0.19 0.25 0.12 0.26 0.02 0.64 1.42 0.70 1.35 0.84 2.05 0.86 2.53 0.61 1.93 0.96 2.59 0.44 0.02 0.44 0.38 0.50 0.41 1.29 1.45 0.54 0.29 0.59 0.41 1.32 1.47 0.77 0.20 0.84 0.21 1.07 0.43 0.95 0.20 1.01 0.21 1.38 0.38 Constellation ES.1 SAS Product Manual, Rev. E 25