Seagate ST9250611NS Manuel D’Utilisation
Constellation.2 Serial ATA Product Manual, Rev. B
11
500GB drive (Standard & SED model)
DC power requirements
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and
power to operational levels.
Parameter
Voltage
+5 V
+12 V Power
+5 V
+12 V Power
Regulation
(watts)
(watts)
Average Idle Current
0.26
0.11
2.65
0.26
0.11
2.67
Advanced Idle Current
Idle1
Idle1
0.21
0.11
2.42
0.22
0.11
2.47
Idle2
0.15
0.09
1.87
0.16
0.09
1.92
Idle3
0.15
0.07
1.61
0.16
0.07
1.66
Standby
0.13
0.04
1.15
0.14
0.04
1.21
Average Sleep Current
0.13
0.04
1.16
0.14
0.04
1.20
Maximum Start Current:
DC (Peak DC)
DC (Peak DC)
0.48
0.79
11.85
0.48
0.79
11.86
AC (Peak AC)
0.66
1.30
18.97
0.71
1.30
19.15
Delayed Motor Start (DC max)
0.14
0.04
1.21
0.14
0.04
1.24
Peak Operating Current (random read):
Typical DC
Typical DC
0.28
0.26
4.48
0.29
0.26
4.51
Maximum DC
0.29
0.26
4.59
0.30
0.26
4.59
Maximum DC (peak)
0.98
0.86
15.22
1.00
0.86
15.32
Peak Operating Current (random write):
Typical DC
Typical DC
0.37
0.21
4.39
0.38
0.21
4.43
Maximum DC
0.38
0.22
4.54
0.38
0.22
4.55
Maximum DC (peak)
0.90
0.84
14.58
0.92
0.86
14.92
Peak operating current (sequential read):
Typical DC
Typical DC
0.58
0.13
4.39
0.59
0.13
4.45
Maximum DC
0.60
0.13
4.52
0.62
0.13
4.63
Maximum DC (peak)
0.90
0.28
7.86
0.80
0.30
7.60
Peak operating current (sequential write):
Typical DC
Typical DC
0.72
0.13
5.09
0.72
0.12
5.11
Maximum DC
0.76
0.13
5.32
0.77
0.13
5.38
Maximum DC (peak)
0.96
0.28
8.16
0.96
0.26
7.92
ST9500620NS
ST9500620NS
(3.0GB)
(6.0GB)
+10/-7.5%
+10/-7.5%