Chrome OS netbooks do not have HDDs but instead they use flash based memory solutions or solid state drives (SSD) for that.

Chrome OS上网本并没有硬盘驱动器(HDD)，而是采用了基于闪存的内存解决方案或是固态硬盘(SSD)。

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The "A-Drive" also addresses limitations of the popular, yet expensive, flash-based SSD, as well as the conventional HDD for the consumer and business industry.

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In June 2006, Samsung released the first flash-memory based PCs, the Q1-SSD and Q30-SSD, both of which used 32 GB solid-state devices.

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Flash-based solid state disk (SSD) everywhere and anywhere defers or eliminates the need for additional high performance disk purchases to drive performance.

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