Samsung is now in production with a new 20nm class of NAND flash memory that will be used in memory cards for digital devices like cameras and PMPs. The new line of NAND will find its way into things like SD and microSD storage cards.
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Samsung's new NAND is based on 32GB MLC NAND and promises a 50% higher productivity level than 30nm MLC NAND in use today. That means more can be produced and should lead to lower prices.
The 20nm MLC NAND is also faster than 30nm products with a class speed rating of 10. The NAND has a read speed of 20MB/s and a write speed of 10MB/s. The new NAND will be used to produce memory cards in 4GB to 64GB capacities.