Recently, according to foreign mediareports, theheadquarters functionsinSan Jose,California,United States,HitachiGlobal Storage Technologieshas developedarecordingdensity3.5-inchhard drive"Deskstar 7K1000.D"series, the disc drive to achieve 1TB capacitywith single disc, mainly for high-performance desktopPCsandexternal hard drives.