Product manual

Constellation ES.2 SAS Product Manual, Rev. G 23
Table 2: 3TB drive (Standard & SED model) DC power requirements
Notes
3.0Gb mode 6.0Gb mode
(Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [4] +5V +12V [4]
Regulation [5] ± 5% [2] ± 5% [2]
Avg idle current DC
X [1] [7] 0.28 0.50 0.28 0.50
Advanced idle current
Idle_A 0.28 0.50 0.28 0.50
Idle_B 0.26 0.41 0.26 0.41
Idle_C/ Standby_Y 0.26 0.24 0.26 0.24
Standby_Z 0.25 0.01 0.25 0.01
Maximum starting current
(peak DC) DC 3 [5] 0.60 1.71 0.60 1.70
(peak AC) AC 3 [5] 0.82 2.29 0.88 2.23
Delayed motor start (max) DC 3 [1] [6] 0.39 0.01 0.39 0.01
Peak operating current (random read):
Typical DCX [1] [6] 0.48 0.74 0.49 0.74
Maximum DC 3 [1] 0.49 0.75 0.50 0.76
Maximum (peak) DC 3 1.14 1.88 1.16 1.86
Peak operating current (random write)
Typical DCX 0.58 0.60 0.59 0.61
Maximum DC 3 0.60 0.62 0.60 0.62
Maximum (peak) DC 3 1.20 1.86 1.18 1.88
Peak operating current (sequential read)
Typical DCX 0.79 0.48 0.79 0.49
Maximum DC 3 0.83 0.49 0.84 0.50
Maximum (peak) DC 3 1.16 0.88 1.12 0.90
Peak operating current (sequential write)
Typical DCX 0.94 0.48 0.94 0.48
Maximum DC 3 0.98 0.49 0.98 0.50
Maximum (peak) DC 3 1.20 0.88 1.20 0.88