Disk storage per server: 1,200gb.

每台服务器的磁盘存储：1200gb。

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The storage density of a disk medium; storing four times the amount of information per disk as single density.

磁盘介质的存储密度，在这种密度下磁盘的信息存储量是单密度盘的四倍。

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The cost per Megabyte of hard disk storage is competitive with magnetic tape if only one tape is used per drive.

硬盘存储的每兆字节成本与磁带不相上下，如果每个驱动器只用一条磁带。

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