User Manual

Seagate Enterprise Capacity 3.5 HDD v5 SAS Product Manual, Rev. F 28
Table 5 2TB drive DC power requirements
Notes
6.0Gb mode 12.0Gb mode
(Amps) (Amps) (Watts) (Amps) (Amps) (Watts)
Voltage +5V +12V [2] +5V +12V [2]
Regulation [5] ± 5% [2] ± 5% [2]
Avg idle current DCX [1] [7] 0.30 0.26 4.57 0.421 0.246 5.06
Advanced idle current
Idle A
3s
0.31 0.26 4.60 0.411 0.246 5.02
Idle B
3s
0.29 0.23 4.21 0.337 0.222 4.35
Idle C
3s
0.31 0.15 3.32 0.346 0.143 3.45
Standby
3s
0.28 0.01 1.51 0.327 0.007 1.72
Maximum starting current
(peak DC) DC
3s [3]
0.54 2.03 27.06 0.746 2.047 28.29
(peak AC) AC
3s [3]
0.70 2.61 0.896 2.62
Delayed motor start (max) DC
3s [1] [4]
0.28 0.10 0.388 0.067
Operating current (random read 4K16Q)
Typical DCX [1] [6] 0.41 0.59 9.10 0.455 0.594 9.41
Maximum DC
3s
[1] 0.43 0.61 0.476 0.599
Maximum (peak) DC
3s
1.23 2.33 1.15 2.114
Operating current (random write 4K16Q)
Typical DCX
[1]
0.41 0.44 7.35 0.466 0.56 9.05
Maximum DC
3s [1]
0.44 0.58 0.485 0.568
Maximum (peak) DC
3s
1.50 2.15 0.758 2.113
Operating current (sequential read 64K16Q)
Typical DCX
[1]
0.72 0.27 6.86 0.759 0.276 7.11
Maximum DC
3s [1]
0.75 0.29 0.782 0.279
Maximum (peak) DC
3s
0.98 1.99 1.039 1.824
Operating current (sequential write 64K16Q)
Typical DCX
[1]
0.61 0.29 6.51 0.688 0.301 7.05
Maximum DC
3s [1]
0.65 0.30 0.708 0.306
Maximum (peak) DC
3s
0.82 2.91 0.902 0.674