S
EAGATE
E
NTERPRISE
P
ERFORMANCE
15K HDD
AND
E
NTERPRISE
T
URBO
SSHD SAS P
RODUCT
M
ANUAL
, R
EV
. B
20
Table 3
450GB models DC power requirements
Notes
450 GBBase - Hybrid
3.0 Gb mode
6.0 Gb mode
Parameter
(Amps)
(Amps)
(Amps)
(Amps)
Voltage
+5V
+12V [2]
+5V
+12V [2]
Regulation
[5]
±5%
±5% [2]
±5%
±5% [2]
Avg idle current DC
[1] [7]
0.33
0.29
0.33
0.29
Advanced Idle Current
Idle1
3
σ
0.36
0.31
0.36
0.31
Idle2
3
σ
0.26
0.26
0.27
0.26
Idle3
3
σ
0.26
0.13
0.26
0.13
Standby
3
σ
0.25
0.01
0.25
0.01
Maximum Start current
DC (peak DC)
3
σ
[3]
0.70
0.97
0.73
0.97
AC (peak AC)
3
σ
[3]
0.88
1.57
0.93
1.56
Delayed motor start (max) DC
3
σ
[1] [4]
0.25
0.01
0.25
0.01
Peak operating current: (random read)
Typical DC
[1] [6]
0.43
0.53
0.43
0.53
Maximum DC
3
σ
[1]
0.48
0.55
0.48
0.55
Maximum (peak) DC
3
σ
2.01
1.53
2.03
1.60
Peak operating current: (random write)
Typical DC
[1]
0.42
0.50
0.42
0.50
Maximum DC
3
σ
[1]
0.46
0.53
0.46
0.53
Maximum (peak) DC
3
σ
0.99
1.55
0.89
1.55
Peak operating current: (sequential read)
Typical DC
[1]
0.79
0.33
0.80
0.33
Maximum DC
3
σ
[1]
0.84
0.35
0.86
0.34
Maximum (peak) DC
3
σ
1.23
0.76
1.03
0.88
Peak operating current: (sequential write)
Typical DC
[1]
0.63
0.36
0.64
0.37
Maximum DC
3
σ
[1]
0.73
0.39
0.73
0.39
Maximum (peak) DC
3
σ
0.91
0.80
0.88
0.77
