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Most SSDs on the market utilize NAND flash memory which can be sub-divided into two categories, SLC and MLC. SLC (Single Level Cell) SSDs store only one data bit per NAND flash cell which leads to faster transfer speeds, higher cell endurance and a lower power consumption. The only downside to SLC chips used in SSDs in the manufacturing cost per Megabyte and the total capacity, which is less per NAND cell than MLC. SLCs are intended for the high-end consumer and server market and they have approximately 10 times more endurance compared to MLCs. MLC(Multi Level Cell) SSDs store two or more bits per NAND flash cell. Storing more bits per cell achieves a higher capacity and lower manufacturing cost per Megabyte. MLC SSDs are designed for the mainstream consumer market and are much faster compared to standard hard disk drives. MLC SSDs are improving with faster and more efficient technologies and are being adopted into the high-end consumer and server markets.

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