IBM has announced a new computer memory breakthrough and paved the way for the most high-tech memory upgrades yet. The firm, which has arguably done more to push forward computer hardware and storage than any other, has produced phase change memory chips (PCM) able to store more data without data corruption problems than ever before.

The new advance in computer memory has been driven by the increasing uptake of cloud computing and virtualization which has seen millions of companies around the world use new, virtual means of storing and sharing information and programs. This trend has led to a demand for ever more efficient and effective PC memory, something IBM thinks it will be able to address with its PCM development.

PCM memory is non volatile which means it still stores data when the computer is shut down and the power switched off. This type of storage is similar to NAND which already exists in Apple memory and PC memory forms and can be found under the casing of most modern machines. Unlike NAND, new data can be added to existing data - currently, existing data has to be marked for deletion before new data can be added in what is known as an erase-write cycle. This is key to the longevity and increased speed expected from IBM's memory breakthrough as a traditional erase-write cycle can slow down performance and can only be produced a finite number of times. The new chip can perform the same operation around 100 times faster.

In announcing its milestone in memory research and development, IBM said that it had been testing its new chip for cloud and enterprise solutions but, it is expected that the new technology will also speed up home computers when the knowledge filters down to DRAM applications. That's good news for users who want an altogether speedier computing experience at home and in the small business workplace without access to a private cloud or virtualization technology.

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