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The Spinpoint F4 features 7200rpm speed rotation, advanced areal density technology and a SATA 3.0 Gbps interface.
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While the growth in HDD areal density has declined in recent years the industry continues to make progress in designing and producing higher capacity HDDs.
FORBES: Is 4 Terabytes Enough?
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Current HDDs ship with about 730 Gbpsi maximum areal density.
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Providing this storage capacity with HDDs and with slower areal density growth than in the past will require more HDD components and a major investment in HDD component capital equipment.
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Note that the actual percentage annual growth in areal density has declined from near 100% per year in the early part of the last decade to about 30% annually today.
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Due to the complexity and cost of the next big technology transitions for HDDs the market is likely to see areal density growth in the range of about 25% annually for the next several years.
FORBES: Is 4 Terabytes Enough?
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With HDD areal density growth at about 20-25% annually, down from 40% and higher in past years, manufacturers are looking for ways to increase the storage capacity that they can supply the ever growing digital storage needs of customers.
FORBES: More Storage Means More Disks
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For at least the next few years, until new technologies are introduced that will boost annual areal density growth to 40% or higher, we can expect to see a trend towards more disks and heads on average in HDDs.
FORBES: More Storage Means More Disks
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With industry-wide challenges in scaling current areal density technologies, this new platform allows HGST to design seven-platter drives in a standard 3.5-inch form factor that will cost-effectively extend the capacity and cost-per-gigabyte curve for many product generations to come.
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Figure 2 in the accompanying power point file shows historical storage areal density (AD) growth for HDDs (this is directly related to the amount of digital storage that can be put on a disk in a hard disk drive) from Q1 2000 through Q1 2011.
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