can WD black protect the head from touching the disk in case of sudden shut down ?

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yafatana

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Aug 21, 2015
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I mean does the western digital black drives have that kind of protection built in the drive ?
to protect the head from touching the disk in case of a sudden PC shut down ?

WD2003FZEX
and
WD4004FZWX
 
Solution
CountMike
All modern HDD have that. Heads are on an arm whose position is adjusted by coil between magnets and as soon as power is shut it goes to starting/parked position at unused part of a platter. Only very old HDDs (25 years +) had a small stepper motor powering heads and needed to be parked other way. Even they had a capacitor holding enough power to park heads when power was cut.
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CountMike

CountMike

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Oct 31, 2015
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All modern HDD have that. Heads are on an arm whose position is adjusted by coil between magnets and as soon as power is shut it goes to starting/parked position at unused part of a platter. Only very old HDDs (25 years +) had a small stepper motor powering heads and needed to be parked other way. Even they had a capacitor holding enough power to park heads when power was cut.
 
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