I bought this Leven 512GB SSD to replace the spinning hard drive in my aging laptop. As expected, performance improved significantly. Started with a fresh install of Windows 10 which only showed a capacity of 476.9GB (488,386MB) and NOT 512GB as advertised. Crystal Disk Mark also listed a capacity of 476GB instead of the advertised 512GB. ran Crystal Disk Mark immediately after installation and a few more times during the week. The results were on the level of expected performance for a solid state drive.
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