Samsung SSD 990 EVO Plus 2TB SSD Review

1. Introduction2. Samsung SSD990 EVO Plus 2TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. AS SSD7. 128KB Sequential Performance8. 4K Random Read v QD Performance9. 4K Random Write v QD Performance10. 4K 70/30 Mixed Performance11. 4K Random Performance QD1-QD812. Throughput13. PCMark 10 Full System Drive Benchmark14. 3DMark Storage Benchmark 15. Final Fantasy XIV Endwalker Official Benchmark16. Temperatures17. Real Life File Testing18. Gen 4.0 x4 v Gen 5.0 x2 Performance19. Closing Thoughts20. View All Pages

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.

Samsung's SSD990 EVO Plus had no problem dealing with our 70/30 read/write tests in either single thread or four thread modes however, in both the performance starts to plateau out, using a single thread this happens around QD8 while with four threads it occurs around QD16.

Using a single thread the drive accelerates from 24,968 IOPS (102.27MB/s) at QD1 up to 116,525 IOPS (477.69MB/s) at QD8. From this point, the performance stays more or less at the same level until the end of the test at QD32 with a test figure of 116,164 IOPs (475.80MB/s)

With four threads the drive goes from 97,031 IOPS (397.44MB/s) at QD1 up to 345,512 IOPS (1,415.22MB/s) at QD16 where it levels off, finishing the test run at 344,935 IOPS (1,412.85MB/s).

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