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Engadget (http://i.engadget.com/2010/08/28/researchers-set-new-record-for-ferroelectric-data-storage/)
Researchers from Japan's Tohoku University have set a new benchmark for next-next-next gen data storage.
Ferroelectric film consists of various materials including Iron and Silicon. This has been around for a while now, but these researchers have managed to pack four trillion bits of data into one square inch of film.
That's over 450 Gigabytes of data on a single square inch.
It is also noted that the film's properties are best used in a RAM (dubbed FeRAM) configuration - as the film's 'transistors' allow large amounts of memory to be transferred to a small area with negligible delay. Forget 1600Mhz - this goes as fast as the clock rate of the processor - any processor - up to stupidly high speeds.