C
ONSTELLATION
ES.3 SAS P
RODUCT
M
ANUAL
, R
EV
. C
21
Table 3
3TB drive DC power requirements
N
OTES
3.0G
B MODE
6.0G
B MODE
(A
MPS
)
(A
MPS
)
(A
MPS
)
(A
MPS
)
Voltage
+5V
+12V [2]
+5V
+12V [2]
Regulation
[5]
± 5% [2]
± 5% [2]
Avg idle current DCX
[1] [7]
0.33
0.43
0.36
0.43
Advanced idle current
Idle A
3s
0.33
0.42
0.34
0.42
Idle B
3s
0.25
0.37
0.28
0.37
Idle C
3s
0.24
0.22
0.27
0.22
Standby
3s
0.26
0.00
0.24
0.00
Maximum starting current
(peak DC) DC
3s
[3]
0.62
2.20
0.65
2.19
(peak AC) AC
3s
[3]
0.85
2.71
0.79
2.75
Delayed motor start (max) DC
3s
[1] [4]
0.29
0.01
0.29
0.01
Peak operating current (random read):
Typical DCX
[1] [6]
0.49
0.71
0.44
0.71
Maximum DC
3s
[1]
0.72
0.77
0.63
0.76
Maximum (peak) DC
3s
1.58
2.24
1.71
2.28
Peak operating current (random write)
Typical DCX
[1]
0.47
0.61
0.48
0.62
Maximum DC
3s
[1]
0.72
0.64
0.74
0.65
Maximum (peak) DC
3s
0.95
2.24
1.63
2.31
Peak operating current (sequential read)
Typical DCX
[1]
0.71
0.47
0.77
0.47
Maximum DC
3s
[1]
0.75
0.49
0.99
0.50
Maximum (peak) DC
3s
0.97
0.84
1.21
0.83
Peak operating current (sequential write)
Typical DCX
[1]
0.56
0.50
0.61
0.50
Maximum DC
3s
[1]
0.59
0.53
0.87
0.53
Maximum (peak) DC
3s
0.74
0.89
1.00
2.19
