Phison PS5031-E31T 2TB Technical Preview (E31T Controller)

We used CrystalDiskMark 8’s custom settings to test the 4K 70/30 mixed read/write performance of the drive through a range of queue depths using a single thread and four threads.

Using a single thread the PS5031-E31T produced results that ranged from 26,266 IOPS (107MB/s) at QD1 up to 178,800 IOPS (732MB/s) at QD32. Switching up to four threads the performance goes from 119,143 IOPS (488MB/s) at QD1 up to 495,479 IOPS (2,029MB/s) at QD32.

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