Western Digital Reaches Density Record – 520 Gb/in2 areal density
Western Digital Corp. today announced that it has achieved 520 Gb/in2 areal density the hard drive industry’s highest demonstrated density to date using continuous media. The company revealed the milestone this week at the Perpendicular Magnetic Recording Conference in Tokyo after an earlier demonstration in California. Now we just have to wait till 2010, so we can buy one!
Following WD’s growing investments in technology the past five years, the company achieved 520 Gb/in2 using its own perpendicular magnetic recording (PMR)/tunneling magneto-resistive (TuMR) head technology. This level of density produces a 3.5-inch hard drive storing 640 GB-per-platter and single hard drive capacities as large as 3 TB. Based on the industry’s current density growth rate of more than 40 percent per year, those capacities are expected to be available in the 2010 timeframe.
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