![]() ![]() In addition, IBM reduced drive operating acoustics by as much as four decibels, continuing the Travelstar 80GN’s leadership as the world’s quietest mobile hard drive. An 8 MB cache contributes to making the 80GN the world’s highest performing 4200 RPM mobile hard drive. The Travelstar 80GN is based on proven reliability and a mature design with high shock robustness and low power consumption. That only a few atoms could have such a dramatic impact caused some IBM scientists to refer to the ruthenium layer informally as “pixie dust.” With this new data density record, IBM is quickly approaching the 100 gigabits/square inch the company predicted “Pixie Dust” would achieve in 2003.Īnnounced last year, “pixie dust” is an IBM data storage breakthrough achieved by sandwiching a three-atom-thick layer of the element ruthenium, a precious metal similar to platinum, between two magnetic layers – technically called antiferromagnetically-coupled media. The additional layers bring about an even higher signal-to-noise ratio, which allows data recording at ultra high densities while maintaining data integrity. IBM achieved this by adding another coating of “pixie dust” – an additional ruthenium/magnetic layer to create a five-layer sandwich called laminated-“pixie dust.” The new Travelstar 80GN breaks current areal density records by allowing up to 70 billion bits of data to be written on each square inch of disk space. IBM also announced plans for a new 7200 RPM performance category, offering workstation performance with mobility. IBM has introduced the world’s highest capacity mobile hard drive at 80 GB – made possible by enhancements to the company’s patented “pixie dust” technology. IBM Releases 80 GB Hard Drive for Portables Notebooks pro no foles free#
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