Seagate ST4000NM0054 Laptop User Manual


 
SEAGATE ENTERPRISE CAPACITY 3.5 HDD V4 SAS PRODUCT MANUAL, REV. A 23
Table 4 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 0.32 0.26 4.67
Advanced idle current
Idle A
3s
0.31 0.26 4.60 0.32 0.26 4.67
Idle B
3s
0.29 0.23 4.21 0.32 0.23 4.32
Idle C
3s
0.31 0.15 3.32 0.32 0.15 3.42
Standby
3s
0.28 0.01 1.51 0.30 0.01 1.61
Maximum starting current
(peak DC) DC
3s [3]
0.54 2.03 27.06 0.58 2.03 27.26
(peak AC) AC
3s [3]
0.70 2.61 34.82 0.76 2.63 35.36
Delayed motor start (max) DC
3s [1] [4]
0.28 0.10 2.60 0.31 0.11 2.87
Peak operating current (random read):
Typical DCX [1] [6] 0.41 0.59 9.10 0.43 0.58 9.17
Maximum DC
3s
[1] 0.43 0.61 9.47 0.45 0.60 9.45
Maximum (peak) DC
3s
1.23 2.33 34.11 1.22 2.18 32.26
Peak operating current (random write)
Typical DCX
[1]
0.41 0.44 7.35 0.43 0.44 7.44
Maximum DC
3s [1]
0.44 0.58 9.16 0.46 0.59 9.38
Maximum (peak) DC
3s
1.50 2.15 33.30 1.36 2.28 34.16
Peak operating current (sequential read)
Typical DCX
[1]
0.72 0.27 6.86 0.73 0.27 6.94
Maximum DC
3s [1]
0.75 0.29 7.23 0.78 0.28 7.26
Maximum (peak) DC
3s
0.98 1.99 28.78 1.24 3.21 44.72
Peak operating current (sequential write)
Typical DCX
[1]
0.61 0.29 6.51 0.63 0.29 6.61
Maximum DC
3s [1]
0.65 0.30 6.85 0.66 0.30 6.90
Maximum (peak) DC
3s
0.82 2.91 39.02 0.88 2.73 37.16