If you have a TLC NAND based SSD this tool that will read your current data to show you the real world performance to see if you have an issue with your TLC NAND based SSD or not.

MajorGeek says: TLC NAND based SSDs have recently shown a trend of having crippled performance when reading old files (2 to 3 months old data for example) that could make read speeds go as low as 50 MB/S, which is about an 80% of a drop of their normal performance that can reach up to around 500 MB/S.Since synthetic benchmarks perform tests by writing a new fresh temp file and then trying to read it, this deterioration in performance is very hard to distinguish due to the nature of how synthetic benchmarks work.If you have a TLC NAND based SSD such as the Samsung 840, Samsung 840 EVO, SanDisk Ultra II, etc. you may want to run this tool that will read your current data to show you the real world performance when it comes to read speeds to see if you have an issue with your TLC NAND based SSD or not. Samsung recently released a firmware update to fix the issue of the 840 EVO 2.5" (not the mSATA version yet) read speed deterioration by having an algorithm in the SSD's controller that will periodically refresh old data to bring its speeds back to normal.Review by Matrix Leader.

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