Hitachi 7K250 Specifications - Page 44
Random seeks at 40% duty cycle, Seek duty = 30%, W/R duty = 45%, Idle duty = 25 - deskstar 80gb
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UPC - 000004558972
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Page 44 highlights
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) Pop mean Std dev Idle average Idle ripple (peak-to-peak) 280 12 230 40 Low RPM idle Low RPM idle ripple 140 7 220 25 Unload idle average Unload idle ripple 140 7 220 25 Random R/W average Random R/W peak 430 9 1252 30 Silent R/W average2 Silent R/W peak 470 9 1252 50 Start up (max) 870 50 Standby average 140 9 Sleep average 100 8 +12 Volts (mA) Pop mean Std dev 375 12 250 20 140 10 170 20 300 13 220 20 590 12 1600 50 390 12 890 40 1750 50 20 3 20 3 Total (W) 5.9 2.4 4.3 9.2 7.0 0.9 0.7 Power supply current of 40GB and 80GB models values in milliamps, RMS +5 Volts (mA) Pop mean Std dev Idle average 280 12 Idle ripple (peak-to-peak) 230 40 Low RPM idle Low RPM idle ripple 140 7 220 25 Unload idle average Unload idle ripple 140 7 220 25 Random R/W average Random R/W peak 430 9 1252 50 Silent R/W average2 Silent R/W peak 470 9 1252 50 +12 Volts (mA) Pop mean Std dev 300 12 220 20 130 10 160 20 270 12 200 20 590 12 1720 65 370 12 830 40 Deskstar 7K250 Hard Disk Drive Specification 30 Total (W) 5.0 2.3 3.9 9.2 6.8
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