Deskstar 7K250 Hard Disk Drive Specification
30
1
Random seeks at 40% duty cycle
2
Seek duty = 30%, W/R duty = 45%, Idle duty = 25%
Power supply current of 120
GB and 160 GB models
values in milliamps, RMS
+5 Volts (mA)
+12 Volts (mA)
Total (W
)
Pop mean
Std
dev
Pop mean
Std dev
Idle average
Idle ripple (peak-to-peak)
280
230
12
40
375
250
12
20
5.9
Low RPM idle
Low RPM idle ripple
140
220
7
25
140
170
10
20
2.4
Unload idle average
Unload idle ripple
140
220
7
25
300
220
13
20
4.3
Random R/W average
Random R/W peak
430
1252
9
30
590
1600
12
50
9.2
Silent R/W average
2
Silent R/W peak
470
1252
9
50
390
890
12
40
7.0
Start up (max)
870
50
1750
50
Standby average
140
9
20
3
0.9
Sleep average
100
8
20
3
0.7
Power supply current of
40GB and 80GB models
values in milliamps, RMS
+5 Volts (mA)
+12 Volts (mA)
Total (W
)
Pop mean
Std
dev
Pop mean
Std dev
Idle average
Idle ripple (peak-to-peak)
280
230
12
40
300
220
12
20
5.0
Low RPM idle
Low RPM idle ripple
140
220
7
25
130
160
10
20
2.3
Unload idle average
Unload idle ripple
140
220
7
25
270
200
12
20
3.9
Random R/W average
Random R/W peak
430
1252
9
50
590
1720
12
65
9.2
Silent R/W average
2
Silent R/W peak
470
1252
9
50
370
830
12
40
6.8
Содержание Deskstar 7K250
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