SanDisk X400 256GB SSD Review

AS SSD is a great free tool designed just for benching Solid State Drives. It performs an array of sequential read and write tests, as well as random read and write tests with sequential access times over a portion of the drive. AS SSD includes a sub suite of benchmarks with various file pattern algorithms but this is difficult in trying to judge accurate performance figures.

The AS SSD benchmark uses incompressible data to test drives. On the whole the Marvell controller deals with it quite well, but is let down a little by the 4K read and 4K-64Thrd write performance.

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