Racetrack memory (or domain-wall memory (DWM)) is an experimental non-volatile memory device under development at IBM's Almaden Research Center by a team led by Stuart Parkin. In early 2008, a 3-bit version was successfully demonstrated. If it is developed successfully, racetrack would offer storage density higher than comparable solid-state memory devices like flash memory and similar to conventional disk drives, and also have much higher read/write performance. It is one of a number of new technologies trying to become a universal memory in the future.
Read more about Racetrack Memory: Description, Comparison To Other Memory Devices, Development Difficulties, See Also
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