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SEAGATE ENTERPRISE PERFORMANCE 15K HDD AND ENTERPRISE TURBO SSHD SAS PRODUCT MANUAL, REV. B 20
Table 3 450GB models DC power requirements
Notes
450 GBBase - Hybrid
3.0 Gb mode 6.0 Gb mode
Parameter (Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DC [1] [7] 0.33 0.29 0.33 0.29
Advanced Idle Current
Idle1 3σ 0.36 0.31 0.36 0.31
Idle2 3σ 0.26 0.26 0.27 0.26
Idle3 3σ 0.26 0.13 0.26 0.13
Standby 3σ 0.25 0.01 0.25 0.01
Maximum Start current
DC (peak DC) 3σ [3] 0.70 0.97 0.73 0.97
AC (peak AC) 3σ [3] 0.88 1.57 0.93 1.56
Delayed motor start (max) DC 3σ [1] [4] 0.25 0.01 0.25 0.01
Peak operating current: (random read)
Typical DC [1] [6] 0.43 0.53 0.43 0.53
Maximum DC 3σ [1] 0.48 0.55 0.48 0.55
Maximum (peak) DC 3σ 2.01 1.53 2.03 1.60
Peak operating current: (random write)
Typical DC [1] 0.42 0.50 0.42 0.50
Maximum DC 3σ [1] 0.46 0.53 0.46 0.53
Maximum (peak) DC 3σ 0.99 1.55 0.89 1.55
Peak operating current: (sequential read)
Typical DC [1] 0.79 0.33 0.80 0.33
Maximum DC 3σ [1] 0.84 0.35 0.86 0.34
Maximum (peak) DC 3σ 1.23 0.76 1.03 0.88
Peak operating current: (sequential write)
Typical DC [1] 0.63 0.36 0.64 0.37
Maximum DC 3σ [1] 0.73 0.39 0.73 0.39
Maximum (peak) DC 3σ 0.91 0.80 0.88 0.77