Japan's Hitachi said it's Deskstar 7K500 hard drive in five large disc can store 500GB of data.
Hitachi's new Deskstar 7K 500 hard disk storage industry, marks the launch of a new milestone, it is the first desktop storage capacity of 500GB hard drive; the first to use the new high-speed SATA II interface.In data storage, despite the Deskstar 7K500 may be the last version of this type, but the hard drive manufacturers have begun to consider the thickness of the restrictions, they can adopt the most advanced data storage standard recording technology to produce larger hard drives.
As most of the PC and consumer electronic products for music and video storage needs increase, the expected demand for greater storage capacity will continue to rise.To meet this demand, storage products, manufacturers turned to the new recording technology.For example, this year, Toshiba launched the first perpendicular recording technology to produce the hard disk.
Hitachi's 500GB hard drive will offer two versions: a $ 500 hard drive will have the technological maturity of the plane ATA interface and 8MB data buffer function.$ 520 version with a 16MB cache, and use the ATA II 3GB per second, the interface is running.(Can be backward compatible with 1.5GB SATA interface) despite the Hitachi company has not disclosed information on the product testing, but it is well prepared, 500GB hard drive in the second quarter of this year on the market.Estimates of the product storage capacity, the data were compressed to store 56 hours of high-definition TV content.
500GB hard drives using longitudinal recording technology, the disk surface in concentric circles on the use of magnetic particles in the level of writing data tracks.Longitudinal recording hard disk manufacturers to be able to 250GB compressed data per platter.(The current drive in the 100GB per platter to 133GB of data suitable for compression) in late 2006, most desktop hard disk can store 1 terabyte (trillion megabits (a unit of information measure)) bytes.Occur at run time before the technical problem is how to maintain the stability of the data.
Hard drive manufacturers use the vertical magnetic particles perpendicular recording method that exceeds this limit the thickness of the hard disk, hard disk research firm IDC's research manager John Buttress is expected that by 2007, this hard drive will appear on the desktop.And do not need a new motherboard and a new adapter card can use this hard drive.
Toshiba plans to start mass production later this year, the first perpendicular recording hard drive.The company aims to produce new technology like the ipod the same size, 1.8-inch hard drive.However, the drive can not be used on your desktop.