The composition of hard disk memory, principle and function index, mobile hard disk, disk array;

硬盘存储器的组成、原理与性能指标，活动硬盘，磁盘阵列；

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At his keynote talk during the Flash Memory Summit Jeff Burke from Seagate presented a compelling case for the growth of hard disk drives and flash memory in the coming years.

FORBES: Digital Storage Needs the Right Stuff

The flash memory in the Fusion Drive moves data and applications frequently accessed by the user to the flash memory and move less frequently used data to the hard disk drive as the flash memory becomes full.

FORBES: Will A Fusion Drive Approach Become Widespread in Computers?

So to is the case for hard disk drives and flash memory.

FORBES: Digital Storage Needs the Right Stuff