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Samsung 840 EVO TLC NAND still suffering from read speed slowdowns

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System Name AlderLake
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"Last year, users discovered a problem with Samsung's 840 EVO SSD that caused dramatic slowdowns when reading older data. Samsung attributed the issue to an algorithmic error in the management routine that tracks the status of cells over time. A firmware fix and accompanying Performance Restoration utility were issued in October, and they seemed to do the trick. However, new evidence suggests that the problem persists."

http://techreport.com/review/27727/some-840-evos-still-vulnerable-to-read-speed-slowdowns
 
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