As we remember, in August last year, some users began to notice problems with the performance level of previously acquired SSD-drives Series Samsung 840 EVO. The bottom line was that the speed of reading immutable data stored for a long time began to decline gradually. The problem was solved only overwrite the necessary files or enforcement defragmentation, which has a negative impact on the resources of flash memory storage (recall that in the 840 EVO is based on TLC, rather than MLC NAND).
In September, representatives of Samsung, finally acknowledged the problem , and on 15 October published a special supplement, which manufactures a complete rewriting of all volume and controller microcode update.
However, over time, it became clear that the problem is not solved : some users began to emerge again problems with reading speed. At this time, according to AnandTech,Samsung company did not delay the recognition of the problem:
In October, Samsung released a tool to address a slowdown in 840 EVO Sequential Read speeds reported by a small number of users after not using their drive for an extended period of time.This tool effectively and immediately returned the drive's performance to normal levels.We understand that some users are experiencing the slowdown again.While we continue to look into the issue, Samsung will release an updated version of the Samsung SSD Magician software in March that will include a performance restoration tool. Related Products :
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