Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive User Manual

Deskstar T7K500 Hard Disk Drive Specification
52
7.3.2 Power supply current (typical)
Table 40: Power supply current
+5 Volts [mA] +12 Volts [mA]
Power supply current of
400 / 500 GB PATA models
(values in milliamps. RMS)
Pop Mean Std Dev Pop Mean Std Dev
Total
[W]
Idle average 300 4 380 4
Idle ripple (peak-to-peak) 450 10 400 10
6.0
Low RPM idle 140 4 140 4
Low RPM idle ripple 200 10 400 10
2.4
Unload idle average 140 4 340 4
Unload idle ripple 200 10 300 10
4.8
Random R/W average
1
530 10 640 20
Random R/W peak 1600 30 1700 30
10.3
Silent R/W average 530 10 440 10
Silent R/W peak 1600 30 1000 30
7.9
Start up (max) 1050 30 2000 30
Standby average 140 4 12 2 0.8
Sleep average 100 4 12 2 0.6
Power supply current of
250 / 300 / 320 GB PATA models
+5 Volts [mA] +12 Volts [mA]
(values in milliamps. RMS)
Pop Mean Std Dev Pop Mean Std Dev
Total
[W]
Idle average
300 4 300 4
Idle ripple (peak-to-peak)
450 10 400 10
5.0
Low RPM Idle
140 4 130 4
Low RPM Idle Ripple
200 10 400 10
2.3
Unload Idle average
140 4 260 4
Unload Idle Ripple
200 10 300 10
3.8
Random R/W average
1
530 10 560 20
Random R/W peak
1600 30 1700 30
9.4
Silent R/W average
530 10 360 10
Silent R/W peak
1600 30 1000 30
7.0
Start up (max)
1050 30 2000 30
Standby average
140 4 12 2 0.8
Sleep average
100 4 12 2 0.6

Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive Specifications

General

Brand	Hitachi
Model	HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive
Category	Storage
Language	English