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 random read performance of the drive through a range of queue depths. The setup for the tests is listed below.

Transfer Request Size: 4KB, Outstanding I/O: 1-32.

Using our 4-threaded random read 4K tests we couldn't get close to the official maximum of 1,000,000 IOPS. The drive peaked with a figure of 373,769 IOPS at QD16 before slipping back a little to finish the test run at 373,077 IOPS (QD32).

4K Random Read v QD compared.

Even though our 4K random read test results were nowhere close to the official maximum figure at any stage, the drive sits in the top 10 of Gen4 drives we've tested to date at QD's 1,2 and 4. However by the end of the test run at QD32 its to be found in the bottom section of the table.

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