Seagate ST4000NM0074 Laptop User Manual


 
SEAGATE ENTERPRISE CAPACITY 3.5 HDD V4 SAS PRODUCT MANUAL, REV. A 21
Table 2 6TB 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] 0.29 0.58 8.37 0.31 0.57 8.43
Advanced idle current
Idle A
3s
0.29 0.58 8.37 0.31 0.57 8.44
Idle B
3s
0.29 0.51 7.54 0.31 0.51 7.62
Idle C
3s
0.30 0.29 4.95 0.32 0.29 5.05
Standby
3s
0.28 0.01 1.46 0.30 0.01 1.55
Maximum starting current
(peak DC) DC
3s [3]
0.60 2.04 27.48 0.62 2.04 27.58
(peak AC) AC
3s [3]
0.78 2.77 37.14 0.77 2.78 37.21
Delayed motor start (max) DC
3s [1] [4]
0.28 0.11 2.72 0.30 0.08 2.58
Peak operating current (random read):
Typical DCX [1] [6] 0.40 0.84 12.09 0.43 0.83 12.13
Maximum DC
3s
[1] 0.42 0.88 12.66 0.45 0.89 12.93
Maximum (peak) DC
3s
1.28 2.52 36.64 1.27 2.50 36.35
Peak operating current (random write)
Typical DCX
[1]
0.40 0.72 10.66 0.42 0.72 10.77
Maximum DC
3s [1]
0.42 0.75 11.10 0.45 0.75 11.25
Maximum (peak) DC
3s
1.27 2.53 36.71 1.53 2.55 38.25
Peak operating current (sequential read)
Typical DCX
[1]
0.71 0.62 11.01 0.74 0.62 1110
Maximum DC
3s [1]
0.74 0.65 11.50 0.77 0.64 11.53
Maximum (peak) DC
3s
0.96 3.02 41.04 1.37 2.45 36.25
Peak operating current (sequential write)
Typical DCX
[1]
0.61 0.65 10.78 0.63 0.64 10.88
Maximum DC
3s [1]
0.64 0.67 11.24 0.67 0.67 11.39
Maximum (peak) DC
3s
0.82 2.19 30.38 0.90 2.30 32.10