SSD lifespan can last from 3-7 years - What has Sony, Microsoft done to prevent this?

Aries

Administrator
The downside of SSDs with the NAND Flash based chips is that they have a limited life span by default. While normal HDDs can – in theory – last forever (in reality about 1o years max.), an SSD lifespan has a built-in “time of death.” To keep it simple: An electric effect results in the fact that data can only be written on a storage cell inside the chips between approximately 3,000 and 100,000 times during its lifetime. After that, the cells “forget” new data. Because of this fact – and to prevent certain cells from getting used all the time while others aren’t – manufacturers use wear-leveling algorithms to distribute data evenly over all cells by the controller.

 
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