WD_Black SN770M 2TB 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. It uses incompressible data samples which many drives struggle with, so results can be viewed as the worst-case scenarios.

AS SSD includes a sub suite of benchmarks with various file pattern algorithms but this is difficult in trying to judge accurate performance figures.

Using the AS SSD benchmark the drive's read score of 2527 sees it near the bottom of the results chart. However, its write score of 3783 is the fifth best we've seen from a consumer Gen 4 drive to date.

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