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安全地擦除SSD。以下是你需要知道的 - Practical Tips

安全地擦除SSD。以下是你需要知道的

by Pramith

从SSD中安全地删除数据并不像从HDD中那样容易。在这个实用的提示中,我们告诉你如何正确删除存储介质。

用工具安全删除SSD

你不会真的用操作系统的简单擦除命令从SSD中删除数据。

  • 如果你想出售你的电脑和SSD,存储介质应该是真正的空的,不再包含任何个人信息。
    • 而为了确保这一点,制造商通常会提供一个工具来匹配SSD。
    • 通常,这个用于安全擦除SSD的工具可以在存储介质的包装中找到。如果不是这种情况,或者你不再能找到该程序,你可以从各制造商的支持网站上下载。
      • 如果你的固态硬盘制造商没有提供这样的工具,可以使用Parted Magic系列程序作为替代。
        • 有了它,你不仅可以独立于操作系统检查和备份硬盘,还可以可靠地擦除SSD。

        为什么简单的擦除对SSD来说是不够的

        SSD的构造与HDD完全不同,其运行模式也不同。HDD和SSD之间有一些区别。

        • HDD使用读写臂将数据写入和读出旋转的磁片,而SSD使用闪存。
          • 信息以电子方式存储在这些闪存上。
          • 存储没有遵循一个特定的系统。相反,数据被存储在任何有自由空间的地方。
          • 其原因是所谓的磨损平坦。这种技术的目的是使各个存储单元的磨损均匀。这是因为存储单元不能像期望的那样经常被写入。
          • 当用操作系统的删除命令从SSD中删除数据时,在这个过程中实际上并没有删除。

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