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What are the differences between SLC NAND Flash and MLC NAND Flash?

April 26, 2017differences Flash MLC NAND slc

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What are the differences between SLC NAND Flash and MLC NAND Flash?

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There are two major types of NAND Flash memory in the market: SLC (Single-Level-Cell) chips and MLC (Multi-Level-Cell) chips. MLC architecture allows 2 bits of data to be stored in one memory cell, while SLC architecture allows just one. Therefore, the density per chip cost for MLC chips will be lower than SLC chips. However, as the architecture of MLC chips is more complicated than SLC chips, the product life cycle, security and speed of data transfer for SLC chips is better than the other.