The newly implemented 256-bit Full Disk Encryption provides additional security on a hardware basis.

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TI's chips are now in 50% of all cellular phones, 90% of disk drives and a full third of 56K modems.

FORBES: Beyond the sunset

Fujitsu, for example, hopes to unload its loss-making hard-disk business, but it recently took full control of a joint-venture to sell computers as part of a push into computer-related services.

ECONOMIST: Japan's electronics giants

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?

On the other hand, there is no shortage of third-party software that enable policy-based disk encryption on iPhones and iPads (including, full disclosure, the market-leading Afaria software offered by my employer, Sybase).

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That said, PC Perspective has put in some quality time with the DDRdrive X1, which places 4GB DRAM and 4GB NAND in parallel on a full height PCIe card, keeping that volatile memory of yours safely backed up on a static disk, just in case.

ENGADGET: DDRdrive's RAM-based SSD is snappy, costly