Thursday, October 18, 2007

Western Digital Announces Record Breaking Hard Drive Density

Today Western Digital announced that it has achieved 520 Gb/in2 areal density in an actual demonstration using its own perpendicular magnetic recording (PMR)/tunneling magneto-resistive (TuMR) head technology. For those of you who are counting, that makes it the highest density ever reached using continuous media. A density of this magnitude produces a 3.5-inch hard drive storing 640 GB-per-platter and single hard drive capacities as large as 3 TB. Compare that to the current leading density of around 200 Gb/in2 being shipped high volume products like WD's 250 GB Scorpio(R) 2.5-inch drive. That's all well and good, but it looks like you will have to wait to get your hands on this technology. Current estimates put the release at around 2010.


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