Hitachi claims it can expand storage capacity up to 4TB (4000GB) with thier breakthrough on hard disk technology
The increase has been made possible by shrinking the size of the hard disk's read head to the 30nm-50nm range with the new “current perpendicular-to-the-plane giant magneto-resistive†(CPP-GMR) technology, achieving more than a four-fold increase in storage density.
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