Seagate pumps up densities

Storage specialist Seagate has managed to increase the density of its hard drive platters to what staff claim is an industry leading 250Gbytes per platter.

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By  Jason Saundalkar Published  June 12, 2007

Storage specialist Seagate has managed to increase the density of its hard drive platters to what staff claim is an industry leading 250Gbytes per platter. This increased density has been achieved using the firm’s second-generation perpendicular recording technology. Perpendicular recording is a method of storing data on platters (at a 90-degree angle from the centre) rather than longitudinally (similar to a groove on a record). According to Seagate staff, this makes it possible to increase data densities without risking data corruption. The firm’s existing Barracuda 7200.10 line will be the first to incorporate the second-generation recording technology. These drives will also sport the 3Gbits/sec Serial ATA interface and will be available in stores across the region by the end of the month. The last generation of perpendicular recording technology saw 7200.10 drives equipped with platters that offered a maximum data density of 160Gbytes per platter. This allowed the vendor to offer drives with a top capacity of 750Gbytes (using four platters). With the latest update to the technology however, Seagate is be able to offer drives as large as 1Tbyte (1000Gbytes), again using only four platters (250Gbytes x 4 platters). At the entry level, Seagate is already shipping low cost, single-platter 250Gbyte 7200.10 hard drives.

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