C
ONSTELLATION
ES.3 SAS P
RODUCT
M
ANUAL
, R
EV
. C
22
Table 4
2TB 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
0.34
0.33
0.34
Advanced idle current
Idle A
3s
0.33
0.34
0.34
0.34
Idle B
3s
0.24
0.31
0.25
0.31
Idle C
3s
0.24
0.19
0.24
0.19
Standby
3s
0.23
0.01
0.23
0.00
Maximum starting current
(peak DC) DC
3s
[3]
0.62
2.16
0.64
2.15
(peak AC) AC
3s
[3]
0.76
2.84
0.78
2.79
Delayed motor start (max) DC
3s
[1] [4]
0.27
0.02
0.27
0.02
Peak operating current (random read):
Typical DCX
[1] [6]
0.46
0.62
0.43
0.62
Maximum DC
3s
[1]
0.81
0.64
0.70
0.66
Maximum (peak) DC
3s
1.54
2.18
1.64
2.23
Peak operating current (random write)
Typical DCX
[1]
0.45
0.53
0.42
0.53
Maximum DC
3s
[1]
0.81
0.54
0.69
0.56
Maximum (peak) DC
3s
0.99
2.18
1.24
2.22
Peak operating current (sequential read)
Typical DCX
[1]
0.70
0.39
0.70
0.39
Maximum DC
3s
[1]
0.77
0.42
0.77
0.42
Maximum (peak) DC
3s
1.24
0.81
1.16
0.80
Peak operating current (sequential write)
Typical DCX
[1]
0.56
0.42
0.56
0.42
Maximum DC
3s
[1]
0.60
0.45
0.62
0.46
Maximum (peak) DC
3s
0.72
2.50
0.76
2.02
