2007年，許多硬碟製造商已成功推出1 TB（terabyte）儲存容量的3.5吋硬碟，硬碟容量自此走入TB紀元。1TB硬碟是業界積極研發更高磁錄密度之輝煌成果，蔚為硬碟史上的重要里程碑。

究竟如何達到如此驚人的容量？現在，讓我們一同來探索！

Last year, various HDD (hard disk drive) manufacturers successively launched 1-terabyte (TB), 3.5-inch HDDs, so HDDs have now entered the terabyte age. The 1TB HDD is a major milestone in the history of the HDD as it is the result of intense research and development efforts to maximize the HDD recording density.
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